diff --git a/U5/U5_L1_Activity_One.java b/U5/L1/U5_L1_Activity_One.java
similarity index 100%
rename from U5/U5_L1_Activity_One.java
rename to U5/L1/U5_L1_Activity_One.java
diff --git a/U5/L2/U2_L2_Coding_Activity_Four.java b/U5/L2/U2_L2_Coding_Activity_Four.java
new file mode 100644
index 0000000..d2d2490
--- /dev/null
+++ b/U5/L2/U2_L2_Coding_Activity_Four.java
@@ -0,0 +1,36 @@
+/* Lesson 2 Coding Activity Question 4 */
+
+import java.util.Scanner;
+
+public class U5_L2_Activity_Four {
+
+    public static void coinConverter(int pennies) {
+        int dollars = pennies / 100;
+        pennies = pennies % 100;
+
+        int quarters = pennies / 25;
+        pennies = pennies % 25;
+
+        int dimes = pennies / 10;
+        pennies = pennies % 10;
+
+        int nickels = pennies / 5;
+        pennies = pennies % 5;
+
+        System.out.println("Dollar Bills: " + dollars);
+        System.out.println("Quarters: " + quarters);
+        System.out.println("Dimes: " + dimes);
+        System.out.println("Nickels: " + nickels);
+        System.out.println("Pennies: " + pennies);
+    }
+
+    /* Add the method coinConverter() here */
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before checking your code for a score
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L2/U5_L2_Coding_Acitvity_Two.java b/U5/L2/U5_L2_Coding_Acitvity_Two.java
new file mode 100644
index 0000000..17dd69d
--- /dev/null
+++ b/U5/L2/U5_L2_Coding_Acitvity_Two.java
@@ -0,0 +1,23 @@
+/* Lesson 2 Coding Activity Question 2 */
+
+import java.util.Scanner;
+
+public class U5_L2_Activity_Two {
+
+    /* Add the method reverser here */
+
+    public static void reverser(String s) {
+        for (int i = s.length() - 1; i >= 0; i--) {
+            System.out.print(s.charAt(i));
+        }
+        System.out.println();
+    }
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before checking your code for a score
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L2/U5_L2_Coding_Activity_One.java b/U5/L2/U5_L2_Coding_Activity_One.java
new file mode 100644
index 0000000..f899868
--- /dev/null
+++ b/U5/L2/U5_L2_Coding_Activity_One.java
@@ -0,0 +1,37 @@
+/* Lesson 2 Coding Activity Question 1 */
+
+import java.util.Scanner;
+
+public class U5_L2_Activity_One {
+
+    public static void timeOfDay(int hour) {
+        switch (hour) {
+            case 0:
+                System.out.println("midnight");
+                break;
+            case 12:
+                System.out.println("noon");
+                break;
+            case 18:
+                System.out.println("dusk");
+                break;
+            default:
+                if (hour < 12) {
+                    System.out.println("morning");
+                } else if (hour < 18) {
+                    System.out.println("afternoon");
+                } else {
+                    System.out.println("evening");
+                }
+        }
+    }
+    /* Add the method timeOfDay() here */
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before checking your code for a score
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L2/U5_L2_Coding_Activity_Three.java b/U5/L2/U5_L2_Coding_Activity_Three.java
new file mode 100644
index 0000000..42dd39b
--- /dev/null
+++ b/U5/L2/U5_L2_Coding_Activity_Three.java
@@ -0,0 +1,20 @@
+/* Lesson 2 Coding Activity Question 3 */
+
+import java.util.Scanner;
+
+public class U5_L2_Activity_Three {
+
+    /* Add the method printDouble() here */
+    public static void printDouble(double num, int n) {
+        for (int i = 0; i < n; i++) {
+            System.out.println(num);
+        }
+    }
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before checking your code for a score
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L3/U5_L3_Coding_Activity_One.java b/U5/L3/U5_L3_Coding_Activity_One.java
new file mode 100644
index 0000000..aa609df
--- /dev/null
+++ b/U5/L3/U5_L3_Coding_Activity_One.java
@@ -0,0 +1,20 @@
+/* Lesson 3 Coding Activity Question 1 */
+
+import java.util.Scanner;
+import shapes.*;
+
+public class U5_L3_Activity_One {
+
+    /* Add the method makeEqTriangle here */
+    public static void makeEqTriangle(RegularPolygon p) {
+        p.setNumSides(3);
+    }
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before submitting your code
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L3/U5_L3_Coding_Activity_Three.java b/U5/L3/U5_L3_Coding_Activity_Three.java
new file mode 100644
index 0000000..2804eec
--- /dev/null
+++ b/U5/L3/U5_L3_Coding_Activity_Three.java
@@ -0,0 +1,21 @@
+/* Lesson 3 Coding Activity Question 3 */
+
+import java.util.Scanner;
+import shapes.*;
+
+public class U5_L3_Activity_Three {
+
+    public static void updateNumSides(RegularPolygon polygon, int sides) {
+        polygon.setNumSides(sides);
+    }
+
+    /* Add the method updateNumSides here */
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before submitting your code
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L3/U5_L3_Coding_Activity_Two.java b/U5/L3/U5_L3_Coding_Activity_Two.java
new file mode 100644
index 0000000..41cc7b8
--- /dev/null
+++ b/U5/L3/U5_L3_Coding_Activity_Two.java
@@ -0,0 +1,24 @@
+/* Lesson 3 Coding Activity Question 2 */
+
+import java.util.Scanner;
+import shapes.*;
+import testing.Math;
+
+public class U5_L3_Activity_Two {
+
+    /* Add the method randomize here */
+    public static void randomize(Rectangle r) {
+        int length = (int) (Math.random() * 6) * 2 + 10;
+        int width = (int) (Math.random() * 4) * 2 + 7;
+        r.setLength(length);
+        r.setWidth(width);
+    }
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before submitting your code
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L4/U5_L4_Activity_Four.java b/U5/L4/U5_L4_Activity_Four.java
new file mode 100644
index 0000000..10f89e8
--- /dev/null
+++ b/U5/L4/U5_L4_Activity_Four.java
@@ -0,0 +1,24 @@
+/* Lesson 4 Coding Activity Question 4 */
+
+import java.util.Scanner;
+
+public class U5_L4_Activity_Four {
+
+    public static int substringCount(String str, String sub) {
+        int count = 0;
+        int index = 0;
+        while ((index = str.indexOf(sub, index)) != -1) {
+            count++;
+            index++;
+        }
+        return count;
+    }
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before checking your code for a score
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L4/U5_L4_Activity_One.java b/U5/L4/U5_L4_Activity_One.java
new file mode 100644
index 0000000..986dfb7
--- /dev/null
+++ b/U5/L4/U5_L4_Activity_One.java
@@ -0,0 +1,19 @@
+/* Lesson 4 Coding Activity Question 1 */
+
+import java.util.Scanner;
+import shapes.*;
+
+public class U5_L4_Activity_One {
+
+    public static int totalSides(RegularPolygon poly1, RegularPolygon poly2) {
+        return poly1.getNumSides() + poly2.getNumSides();
+    }
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before submitting your code
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L4/U5_L4_Activity_Three.java b/U5/L4/U5_L4_Activity_Three.java
new file mode 100644
index 0000000..206b040
--- /dev/null
+++ b/U5/L4/U5_L4_Activity_Three.java
@@ -0,0 +1,19 @@
+/* Lesson 4 Coding Activity Question 3 */
+
+import java.util.Scanner;
+import shapes.*;
+
+public class U5_L4_Activity_Three {
+
+    public static double circDiff(Circle c1, Circle c2) {
+        return Math.abs(c1.getCircumference() - c2.getCircumference());
+    }
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before submitting your code
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L4/U5_L4_Activity_Two.java b/U5/L4/U5_L4_Activity_Two.java
new file mode 100644
index 0000000..4ec60d2
--- /dev/null
+++ b/U5/L4/U5_L4_Activity_Two.java
@@ -0,0 +1,18 @@
+/* Lesson 4 Coding Activity Question 2 */
+
+import java.util.Scanner;
+
+public class U5_L4_Activity_Two {
+
+    public static double distance(int x1, int y1, int x2, int y2) {
+        return Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
+    }
+
+    // You can uncomment and add to the main method to test your code
+    // You will need to remove/comment out this method before checking your code for a score
+    /*
+  public static void main(String[] args){
+
+  }
+  */
+}
diff --git a/U5/L5/Oven.java b/U5/L5/Oven.java
new file mode 100644
index 0000000..763d039
--- /dev/null
+++ b/U5/L5/Oven.java
@@ -0,0 +1,63 @@
+public class Oven {
+
+    // Represents the maximum possible temperature of an oven
+    private int maxTemp;
+
+    // Represents the current temperature of an oven
+    private int currentTemp;
+
+    // Constructs an oven with the given max temp and starting temp. The maximum
+    // temperature of an oven must be greater than 0, but no more than 500.
+    // The starting temperature should be less than or equal to the maximum t
+    // temperature, but no less than 0.
+    public Oven(int maxTemperature, int startTemperature) {
+        if (maxTemperature > 500 || maxTemperature < 0) {
+            maxTemp = 500;
+        } else {
+            maxTemp = maxTemperature;
+        }
+
+        if (startTemperature > maxTemp) {
+            currentTemp = maxTemp;
+        } else if (startTemperature < 0) {
+            currentTemp = 0;
+        } else {
+            currentTemp = startTemperature;
+        }
+    }
+
+    // Returns the maximum temperature of an oven
+    public int getMaxTemp() {
+        return maxTemp;
+    }
+
+    // Returns the current temperature of an oven
+    public int getCurrentTemp() {
+        return currentTemp;
+    }
+
+    // Turns an oven off by setting the current temperature to 0.
+    public void turnOff() {
+        if (currentTemp > 0) {
+            currentTemp = 0;
+        }
+    }
+
+    // Returns whether the current temperature of an oven is greater than 0. Should
+    // return false if the current temperature is 0.
+    public boolean isOn() {
+        return currentTemp > 0;
+    }
+
+    // Sets the current temperature of an oven to the given value. Remember,
+    // the current temperature should not exceed the max temp.
+    public void preheat(int temp) {
+        if (temp <= 0) {
+            return;
+        } else if (temp > maxTemp) {
+            currentTemp = maxTemp;
+        } else {
+            currentTemp = temp;
+        }
+    }
+}
diff --git a/U5/L5/U5_L5_Activity_One.java b/U5/L5/U5_L5_Activity_One.java
new file mode 100644
index 0000000..f524953
--- /dev/null
+++ b/U5/L5/U5_L5_Activity_One.java
@@ -0,0 +1,28 @@
+public class Person {
+
+    private String firstName;
+    private String lastName;
+    private int age;
+    private String ssn;
+
+    public Person(String firstName, String lastName, int age, String ssn) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.age = age;
+        this.ssn = ssn;
+    }
+
+    @Override
+    public String toString() {
+        return (
+            "SSN: " +
+            ssn +
+            "\n\tName: " +
+            firstName +
+            " " +
+            lastName +
+            "\n\tAge: " +
+            age
+        );
+    }
+}
diff --git a/U5/L5/runner_Oven.java b/U5/L5/runner_Oven.java
new file mode 100644
index 0000000..59d447c
--- /dev/null
+++ b/U5/L5/runner_Oven.java
@@ -0,0 +1,49 @@
+import java.util.Scanner;
+
+public class runner_Oven {
+
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        System.out.println("Maximum oven temperature:");
+        int maxTemp = scan.nextInt();
+        System.out.println("Starting temperature of the oven:");
+        int startTemp = scan.nextInt();
+
+        Oven oven = new Oven(maxTemp, startTemp);
+
+        String instruction = "";
+
+        while (!instruction.equals("q")) {
+            System.out.println(
+                "New oven with a maximum temperature of " +
+                    oven.getMaxTemp() +
+                    " and a starting temperature of " +
+                    oven.getCurrentTemp() +
+                    " degrees."
+            );
+
+            System.out.println(
+                "To preheat the oven enter \"p\", to turn the oven off enter" +
+                    " \"o\", to restart enter \"r\", to quit enter \"q\""
+            );
+
+            instruction = scan.next();
+
+            if (instruction.equals("p")) {
+                System.out.println(
+                    "Enter the temperature to preheat the oven to:"
+                );
+                int temp = scan.nextInt();
+                oven.preheat(temp);
+                System.out.println(
+                    "Current temperature of the oven is now " +
+                        oven.getCurrentTemp() +
+                        " degrees\n"
+                );
+            } else if (instruction.equals("o")) {
+                System.out.println("Turning the oven off.\n");
+                oven.turnOff();
+            }
+        }
+    }
+}
diff --git a/U5/L6/Plane.java b/U5/L6/Plane.java
new file mode 100644
index 0000000..39a1270
--- /dev/null
+++ b/U5/L6/Plane.java
@@ -0,0 +1,46 @@
+public class Plane {
+
+    private int location;
+
+    public Plane() {
+        location = 0;
+    }
+
+    public Plane(int loc) {
+        if (loc >= -2000 && loc <= 2000) {
+            location = loc;
+        } else {
+            location = 0;
+        }
+    }
+
+    public void upward() {
+        if (location + 100 > 2000) {
+            location = 2000;
+        } else {
+            location += 100;
+        }
+    }
+
+    public void downward() {
+        if (location - 100 < -2000) {
+            location = -2000;
+        } else {
+            location -= 100;
+        }
+    }
+
+    public int getLocation() {
+        return location;
+    }
+
+    public String toString() {
+        int spaces = (location + 2000) / 100;
+        String result = "";
+        for (int i = 0; i < spaces; i++) {
+            result += " ";
+        }
+        result += "@";
+        return result;
+    }
+}
diff --git a/U5/L6/runner_Plane.java b/U5/L6/runner_Plane.java
new file mode 100644
index 0000000..b58c610
--- /dev/null
+++ b/U5/L6/runner_Plane.java
@@ -0,0 +1,30 @@
+import java.util.Scanner;
+
+public class runner_Plane {
+
+    public static void main(String str[]) {
+        Scanner scan = new Scanner(System.in);
+        Plane p = new Plane();
+        String instruction = "";
+        while (!instruction.equals("q")) {
+            System.out.println(p);
+            System.out.println("Location: " + p.getLocation());
+            System.out.println(
+                "Type \"u\" to move upwards, \"d\" to move downwards, \"n\" for new Plane, \"q\" to quit."
+            );
+            instruction = scan.nextLine();
+            if (instruction.equals("u")) {
+                p.upward();
+            } else if (instruction.equals("d")) {
+                p.downward();
+            } else if (instruction.equals("n")) {
+                System.out.println("Starting location for a new Plane?");
+                int start = scan.nextInt();
+                p = new Plane(start);
+                scan.nextLine();
+            } else if (!instruction.equals("q")) {
+                System.out.println("Instruction not recognized.");
+            }
+        }
+    }
+}
diff --git a/U5/L7/Rectangle.java b/U5/L7/Rectangle.java
new file mode 100644
index 0000000..f18812e
--- /dev/null
+++ b/U5/L7/Rectangle.java
@@ -0,0 +1,56 @@
+public class Rectangle {
+
+    private double base;
+    private double height;
+
+    public Rectangle() {
+        base = 1;
+        height = 1;
+    }
+
+    public Rectangle(double base, double height) {
+        this.base = (base > 0) ? base : 1;
+        this.height = (height > 0) ? height : 1;
+    }
+
+    public double getBase() {
+        return base;
+    }
+
+    public double getHeight() {
+        return height;
+    }
+
+    public void setBase(double base) {
+        if (base > 0) {
+            this.base = base;
+        }
+    }
+
+    public void setHeight(double height) {
+        if (height > 0) {
+            this.height = height;
+        }
+    }
+
+    public double getArea() {
+        return base * height;
+    }
+
+    public double getPerimeter() {
+        return 2 * base + 2 * height;
+    }
+
+    public double getDiagonal() {
+        return Math.sqrt(base * base + height * height);
+    }
+
+    public boolean equals(Rectangle other) {
+        return this.base == other.base && this.height == other.height;
+    }
+
+    @Override
+    public String toString() {
+        return "Rectangle[base=" + base + ",height=" + height + "]";
+    }
+}
diff --git a/U5/L7/runner_Rectangle.java b/U5/L7/runner_Rectangle.java
new file mode 100644
index 0000000..06ecf2a
--- /dev/null
+++ b/U5/L7/runner_Rectangle.java
@@ -0,0 +1,54 @@
+import java.util.Scanner;
+
+public class runner_Rectangle {
+
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        Rectangle r = new Rectangle();
+        String instruction = "";
+        while (!instruction.equals("q")) {
+            System.out.println(
+                "Type the name of the method to test. Type c to construct a new rectangle, q to quit."
+            );
+            instruction = scan.nextLine();
+            if (instruction.equals("getArea")) {
+                System.out.println(r.getArea());
+            } else if (instruction.equals("getBase")) {
+                System.out.println(r.getBase());
+            } else if (instruction.equals("getHeight")) {
+                System.out.println(r.getHeight());
+            } else if (instruction.equals("getPerimeter")) {
+                System.out.println(r.getPerimeter());
+            } else if (instruction.equals("toString")) {
+                System.out.println(r);
+            } else if (instruction.equals("getDiagonal")) {
+                System.out.println(r.getDiagonal());
+            } else if (instruction.equals("setBase")) {
+                System.out.println("Enter parameter value:");
+                double arg = scan.nextDouble();
+                r.setBase(arg);
+                scan.nextLine();
+            } else if (instruction.equals("setHeight")) {
+                System.out.println("Enter parameter value:");
+                double arg = scan.nextDouble();
+                r.setHeight(arg);
+                scan.nextLine();
+            } else if (instruction.equals("equals")) {
+                System.out.println("Enter base and height:");
+                double bs = scan.nextDouble();
+                double ht = scan.nextDouble();
+                Rectangle rOther = new Rectangle(bs, ht);
+                System.out.println(r.equals(rOther));
+                scan.nextLine();
+            } else if (instruction.equals("c")) {
+                System.out.println("Enter base and height:");
+                double bs = scan.nextDouble();
+                double ht = scan.nextDouble();
+                r = new Rectangle(bs, ht);
+                scan.nextLine();
+            } else if (!instruction.equals("q")) {
+                System.out.println("Not recognized.");
+            }
+        }
+    }
+}
diff --git a/U5/Player.java b/U5/Player.java
new file mode 100644
index 0000000..0e8d4f8
--- /dev/null
+++ b/U5/Player.java
@@ -0,0 +1,150 @@
+public class Player {
+
+    private static int numPlayers = 0;
+
+    private int x;
+    private int y;
+    private int z;
+    private int direction;
+    private int hp;
+    private String name;
+
+    public Player() {
+        numPlayers++;
+        this.name = "P" + numPlayers;
+        this.x = 0;
+        this.y = 0;
+        this.z = 0;
+        this.hp = 20;
+        this.direction = 1;
+    }
+
+    public Player(String name, int x, int y, int z) {
+        numPlayers++;
+        this.name = name;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.hp = 20;
+        this.direction = 1;
+    }
+
+    public Player(String name, int x, int y, int z, int health, int direction) {
+        numPlayers++;
+        this.name = name;
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.hp = (health < 0) ? 0 : health;
+        this.direction = (direction < 1 || direction > 6) ? 1 : direction;
+    }
+
+    public static int getNumPlayers() {
+        return numPlayers;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public int getX() {
+        return x;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+    public int getZ() {
+        return z;
+    }
+
+    public int getHp() {
+        return hp;
+    }
+
+    public int getDirection() {
+        return direction;
+    }
+
+    public String toString() {
+        return (
+            "Name: " +
+            name +
+            "\n" +
+            "Health: " +
+            hp +
+            "\n" +
+            "Coordinates: X " +
+            x +
+            " Y " +
+            y +
+            " Z " +
+            z +
+            "\n" +
+            "Direction: " +
+            direction
+        );
+    }
+
+    public void setHp(int hp) {
+        this.hp = (hp < 0) ? 0 : hp;
+    }
+
+    public void setDirection(int direction) {
+        if (direction >= 1 && direction <= 6) {
+            this.direction = direction;
+        }
+    }
+
+    public void move(int direction, int units) {
+        switch (direction) {
+            case 1:
+                x += units;
+                break;
+            case 2:
+                x -= units;
+                break;
+            case 3:
+                y += units;
+                break;
+            case 4:
+                y -= units;
+                break;
+            case 5:
+                z += units;
+                break;
+            case 6:
+                z -= units;
+                break;
+        }
+    }
+
+    public void teleport(int x, int y, int z) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+    }
+
+    public void teleport(Player player) {
+        this.x = player.getX();
+        this.y = player.getY();
+        this.z = player.getZ();
+    }
+
+    public void attack(Player player, int damage) {
+        player.setHp(player.getHp() - damage);
+        this.hp += damage / 2;
+    }
+
+    public double getDistance(int x, int y, int z) {
+        int dx = this.x - x;
+        int dy = this.y - y;
+        int dz = this.z - z;
+        return Math.sqrt(dx * dx + dy * dy + dz * dz);
+    }
+
+    public double getDistance(Player player) {
+        return getDistance(player.getX(), player.getY(), player.getZ());
+    }
+}
diff --git a/U5/U8/Car.java b/U5/U8/Car.java
new file mode 100644
index 0000000..77ffedc
--- /dev/null
+++ b/U5/U8/Car.java
@@ -0,0 +1,56 @@
+public class Car {
+
+    private static int nextID = 1;
+
+    private int carID;
+    private String make;
+    private String model;
+    private int year;
+    private double mpg;
+
+    public Car() {
+        make = "None";
+        model = "None";
+        year = 2000;
+        mpg = 0;
+        carID = nextID;
+        nextID++;
+    }
+
+    public Car(String make, String model, int year, double mpg) {
+        this.make = make;
+        this.model = model;
+
+        if (year > 2022) {
+            this.year = 2022;
+        } else if (year < 1885) {
+            this.year = 2000;
+        } else {
+            this.year = year;
+        }
+
+        if (mpg < 0) {
+            this.mpg = 0;
+        } else {
+            this.mpg = mpg;
+        }
+
+        carID = nextID;
+        nextID++;
+    }
+
+    public String toString() {
+        return (
+            "ID: " +
+            carID +
+            "\nMake: " +
+            make +
+            "\nModel: " +
+            model +
+            "\nYear: " +
+            year +
+            "\nMPG: " +
+            mpg
+        );
+    }
+}
diff --git a/U5/U8/runner_Car.java b/U5/U8/runner_Car.java
new file mode 100644
index 0000000..90b40e3
--- /dev/null
+++ b/U5/U8/runner_Car.java
@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+public class runner_Car {
+
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        String i = "";
+
+        while (!i.equals("q")) {
+            System.out.println(
+                "Input the make of the car, \"default\" to create a default car or \"q\" to quit:"
+            );
+            i = scan.nextLine();
+
+            System.out.println();
+            if (i.equals("q")) {
+                System.out.println("Exiting. Bye!");
+            } else if (i.equals("default")) {
+                Car car = new Car();
+                System.out.print(car);
+            } else {
+                System.out.println("Model of the car:");
+                String model = scan.nextLine();
+                System.out.println("Year of the car:");
+                int year = scan.nextInt();
+                scan.nextLine();
+                System.out.println("Miles per gallon of the car:");
+                double mpg = scan.nextDouble();
+                scan.nextLine();
+                System.out.println();
+                System.out.println(new Car(i, model, year, mpg));
+            }
+            System.out.println();
+        }
+    }
+}
diff --git a/U5/runner_Player.java b/U5/runner_Player.java
new file mode 100644
index 0000000..89160db
--- /dev/null
+++ b/U5/runner_Player.java
@@ -0,0 +1,299 @@
+import java.lang.Math;
+import java.util.Scanner;
+
+public class runner_Player {
+
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        Player p1 = null;
+
+        System.out.println("Welcome!");
+        System.out.println(
+            "This program helps you test your Player class and its methods."
+        );
+        System.out.println("A default Player object will be created for you,");
+        System.out.println(
+            "or you can use the 'c' option to use another Constructor.\n"
+        );
+
+        String instruction = "";
+        while (!instruction.equals("q")) {
+            System.out.println(
+                "Type the name of the method you want to test, or Type c to construct a new Player. Type q to quit."
+            );
+            instruction = scan.nextLine().trim();
+            if (instruction.equals("c")) {
+                System.out.println("Which constructor would you like to use?");
+                System.out.println(
+                    "1 - Player(String name, int x, int y, int z)"
+                );
+                System.out.println(
+                    "2 - Player(String name, int x, int y, int z, int hp, int direction"
+                );
+
+                int choice = scan.nextInt();
+                scan.nextLine();
+
+                if (choice != 1 && choice != 2) {
+                    System.out.println("Invalid choice");
+                    break;
+                } else {
+                    System.out.println("Player name:");
+                    String name = scan.nextLine().trim();
+                    System.out.println("Starting x-coordinate:");
+                    int x = scan.nextInt();
+                    System.out.println("Starting y-coordinate:");
+                    int y = scan.nextInt();
+                    System.out.println("Starting z-coordinate:");
+                    int z = scan.nextInt();
+
+                    if (choice == 1) {
+                        p1 = new Player(name, x, y, z);
+                        System.out.println("New player created!");
+                        System.out.println(p1);
+                    } else {
+                        System.out.println("Starting health points:");
+                        int hp = scan.nextInt();
+                        System.out.println("Starting direction");
+                        int dir = scan.nextInt();
+                        p1 = new Player(name, x, y, z, hp, dir);
+                        System.out.println("New player created!");
+                        System.out.println(p1);
+                    }
+                    scan.nextLine();
+                }
+                instruction = scan.nextLine().trim();
+            } else if (p1 == null) {
+                p1 = new Player();
+            }
+
+            if (instruction.equals("getNumPlayers")) {
+                System.out.println(
+                    "There are " +
+                        Player.getNumPlayers() +
+                        " existing Player objects"
+                );
+            } else if (instruction.equals("getX")) {
+                System.out.println(
+                    "The x-coordinate of " + p1.getName() + " is X " + p1.getX()
+                );
+            } else if (instruction.equals("getY")) {
+                System.out.println(
+                    "The y-coordinate of " + p1.getName() + " is Y " + p1.getY()
+                );
+            } else if (instruction.equals("getZ")) {
+                System.out.println(
+                    "The z-coordinate of " + p1.getName() + " is Z " + p1.getZ()
+                );
+            } else if (instruction.equals("getHp")) {
+                System.out.println(
+                    p1.getName() + " has " + p1.getHp() + " health points"
+                );
+            } else if (instruction.equals("getDirection")) {
+                System.out.println(
+                    p1.getName() + " is facing " + p1.getDirection()
+                );
+            } else if (instruction.equals("toString")) {
+                System.out.println(p1);
+            } else if (instruction.equals("getName")) {
+                System.out.println("The players name is " + p1.getName());
+            } else if (instruction.equals("move")) {
+                System.out.println("Enter the direction (1-6) to move in:");
+                int direction = scan.nextInt();
+                System.out.println("Enter the number of units to move");
+                int units = scan.nextInt();
+                scan.nextLine();
+
+                p1.move(direction, units);
+                System.out.println(
+                    p1.getName() +
+                        " is now at coordinates X " +
+                        p1.getX() +
+                        " Y " +
+                        p1.getY() +
+                        " Z " +
+                        p1.getZ()
+                );
+            } else if (instruction.equals("setHp")) {
+                System.out.println(
+                    "Enter the new health of " + p1.getName() + ":"
+                );
+                int hp = scan.nextInt();
+                scan.nextLine();
+
+                p1.setHp(hp);
+                System.out.println(
+                    p1.getName() + " now has " + p1.getHp() + " health points"
+                );
+            } else if (instruction.equals("setDirection")) {
+                System.out.println(
+                    "Enter the new direction that " +
+                        p1.getName() +
+                        " is facing:"
+                );
+                int dr = scan.nextInt();
+                scan.nextLine();
+                String dir;
+                p1.setDirection(dr);
+                dr = p1.getDirection();
+                if (dr == 1) {
+                    dir = "North";
+                } else if (dr == 2) {
+                    dir = "South";
+                } else if (dr == 3) {
+                    dir = "Up";
+                } else if (dr == 4) {
+                    dir = "Down";
+                } else if (dr == 5) {
+                    dir = "East";
+                } else if (dr == 6) {
+                    dir = "West";
+                } else {
+                    dir = "an invalid direction";
+                }
+                System.out.println(p1.getName() + " is now facing " + dir);
+            } else if (instruction.equals("attack")) {
+                Player p2 = new Player();
+                System.out.println(
+                    p1.getName() + " is attacking " + p2.getName()
+                );
+                System.out.println(
+                    "Damage " +
+                        p1.getName() +
+                        " should deal to " +
+                        p2.getName() +
+                        ":"
+                );
+                int damage = scan.nextInt();
+                scan.nextLine();
+
+                p1.attack(p2, damage);
+                System.out.println(p2.getName() + " now has " + p2.getHp());
+                System.out.println(p1.getName() + " now has " + p1.getHp());
+            } else if (instruction.equals("teleport")) {
+                System.out.println("Method 1 or 2?");
+                System.out.println("1 - teleport(int x, int y, int z)");
+                System.out.println("2 - teleport(Player p)");
+
+                int choice = scan.nextInt();
+                scan.nextLine();
+
+                if (choice == 1) {
+                    System.out.println("X-coordinate to teleport to:");
+                    int x = scan.nextInt();
+                    System.out.println("Y-coordinate to teleport to:");
+                    int y = scan.nextInt();
+                    System.out.println("Z-coordinate to teleport to:");
+                    int z = scan.nextInt();
+
+                    scan.nextLine();
+
+                    p1.teleport(x, y, z);
+                    System.out.println(
+                        p1.getName() +
+                            " teleported to X " +
+                            p1.getX() +
+                            " Y " +
+                            p1.getY() +
+                            " Z " +
+                            p1.getZ()
+                    );
+                } else if (choice == 2) {
+                    int x = (int) (Math.random() * 11);
+                    int y = (int) (Math.random() * 11);
+                    int z = (int) (Math.random() * 11);
+                    Player p2 = new Player(
+                        "P" + (Player.getNumPlayers() + 1),
+                        x,
+                        y,
+                        z
+                    );
+                    System.out.println(
+                        p2.getName() +
+                            " is at X " +
+                            p2.getX() +
+                            " Y " +
+                            p2.getY() +
+                            " Z " +
+                            p2.getZ()
+                    );
+                    System.out.println(
+                        "Teleporting " + p1.getName() + " to " + p2.getName()
+                    );
+                    p1.teleport(p2);
+                    System.out.println(
+                        p1.getName() +
+                            " now at X " +
+                            p1.getX() +
+                            " Y " +
+                            p1.getY() +
+                            " Z " +
+                            p1.getZ()
+                    );
+                    if (
+                        p1.getX() == p2.getX() &&
+                        p1.getY() == p2.getY() &&
+                        p1.getZ() == p2.getZ()
+                    ) {
+                        System.out.println(
+                            "The Players are at the same location"
+                        );
+                    } else {
+                        System.out.println(
+                            "The Players are in different locations"
+                        );
+                    }
+                } else {
+                    System.out.println("Invalid choice");
+                }
+            } else if (instruction.equals("getDistance")) {
+                System.out.println("Method 1 or 2?");
+                System.out.println("1 - distance(int x, int y, int z)");
+                System.out.println("2 - distance(Player p)");
+
+                int choice = scan.nextInt();
+                scan.nextLine();
+
+                if (choice == 1) {
+                    System.out.println("X-coordinate:");
+                    int x = scan.nextInt();
+                    System.out.println("Y-coordinate:");
+                    int y = scan.nextInt();
+                    System.out.println("Z-coordinate:");
+                    int z = scan.nextInt();
+
+                    scan.nextLine();
+                    System.out.printf(
+                        "%s is %f units from X %d Y %d Z %d",
+                        p1.getName(),
+                        p1.getDistance(x, y, z),
+                        x,
+                        y,
+                        z
+                    );
+                } else if (choice == 2) {
+                    Player p2 = new Player(
+                        "P" + (Player.getNumPlayers() + 1),
+                        10,
+                        -5,
+                        87
+                    );
+
+                    System.out.printf(
+                        "The distance between %s and %s is %f",
+                        p1.getName(),
+                        p2.getName(),
+                        p1.getDistance(p2)
+                    );
+                } else {
+                    System.out.println("Invalid choice");
+                }
+            } else if (instruction.equals("q")) {
+                System.out.println("Exiting. Bye!");
+            } else {
+                System.out.println("Invalid instruction");
+            }
+            System.out.println();
+        }
+    }
+}