/** * @author lautturi.com * Java example: find out the duplicate element in java array */ import java.util.*; public class Lautturi { public static void main(String[] args) { int[] numArray = { 1,4,12,7,5,16,12,8,13,5 }; for(int i = 0; i < numArray.length; i++){ for(int j = i + 1; j < numArray.length; j++){ if(numArray[i] == numArray[j]){ System.out.println("Duplicate element is found " + numArray[j]); } } } } }
output:
Duplicate element is found 12 Duplicate element is found 5