APCSA/U6/L3/U6_L3_Activity_Three.java

public class U6_L3_Activity_Three {

    public static void printUn(String[] words) {
        for (int i = 0; i < words.length; i++) {
            if (
                words[i].length() >= 2 && words[i].substring(0, 2).equals("un")
            ) {
                System.out.println(words[i]);
            }
        }
    }
}