repeats.java

public class repeats {

 static boolean isFind(int[] arr, int value){
 for (int i : arr) {
 if(i == value){
 return true;
 }
 }
 return false;
 }
 public static void main(String[] args) {
 int arr[] = {1,3,41,2,3,41,51,1,1,2,6,15,6,3,3,2};
 int dublicates[] = new int[arr.length];
 int startingIndex = 0;

 for (int i = 0; i < arr.length; i++) {
 for (int j = 0; j < arr.length; j++) {
 if((i != j) && (arr[i] == arr[j])){
 if(!isFind(dublicates, arr[i])){
 dublicates[startingIndex++] = arr[i];
 } 
 break;
 }
 }
 }

 for (int i = 0; i < dublicates.length; i++) {
 int counter = 0;
 for (int j = 0; j < arr.length; j++) {
 if(dublicates[i] == arr[j]){
 counter++;
 }
 }
 if(dublicates[i] != 0)
 System.out.println(dublicates[i]+" repeted "+ counter +" times");
 }
 }
}