HasSameLetters.java

import java.util.*;

public class HasSameLetters {
    public static boolean madeOutOfSameLetters(String a, String b) {
        if (a == null) {
            return b == null;
        } else if (b == null) {
            return false;
        }
        char[] left = a.toCharArray();
        char[] right = b.toCharArray();
        Arrays.sort(left);
        Arrays.sort(right);
        return Arrays.equals(left, right);
    }
    public static void main(String[] args) {
        Scanner test = new Scanner(System.in);
        System.out.println("Enter the first word to match:");
        String firstLetter = test.nextLine();
        System.out.println("Enter the next word to match:");
        String secondLetter = test.nextLine();
        // Example: (First letter: life, Second letter: file): true
        // (First letter: life, Second letter: win): false
        if (madeOutOfSameLetters(firstLetter, secondLetter)) {
            System.out.println("Both contain the same letters!");
        } else {
            System.out.println("Both do not contain the same letters!");
        }
    }
}