Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.HashSet;
import java.util.Set;

public class Main {
    public static void main(String[] args) throws java.lang.Exception {
        int[] strArray = new int[] { 0, 0, 0, 1, 1, 2, 3, 1, 2, 3, 4, 2, 5, 4 };
        Set<Integer> duplicates = checkDuplicate(strArray);
        System.out.printf("Duplicates: %s\n", duplicates);
    }

    private static Set<Integer> checkDuplicate(int[] intArray) {
        Set<Integer> duplicates = new HashSet<Integer>();
        Set<Integer> tmp = new HashSet<Integer>();
        for (Integer i : intArray) {
            if (!tmp.add(i)) {
                duplicates.add(i);
            }
        }
        return duplicates;
    }
}