java - How to remove duplicates from array using for loop -

in code have found duplicates array , want remove them. output unique generated numbers. required use math.random , modulo. have clues? tried store them in array original array has 0's , 0 part of domain random number generation (from 0 52).

public class decks {   public static void main(string[] args) {  generate();  }   public static void generate() { int deckofcard[] = new int[52];  (int counts = 0; counts < 52; counts++) {      deckofcard[counts] = (int) (math.random() * 51);  }  (int = 0; < deckofcard.length - 1; i++) {      (int j = + 1; j < deckofcard.length; j++) {          if ((deckofcard[i] == (deckofcard[j])) && (i != j)) {              system.out.println("duplicate " + deckofcard[i]);          }     } }  (int count = 0; count < deckofcard.length; count++) {      system.out.print("\t" + deckofcard[count]);  } } 

you must validate numbers generated during random number generation this:

import java.util.random; public class decks {     public static void main(string[] args) {          random myrandom = new random();          int[] num = new int[53];          boolean[] check = new boolean[53];         int = 0;         int rannum;          while (all < 53) {             rannum = myrandom.nextint(53);             if (!check[rannum]) {                 check[rannum] = true;                 num[all] = rannum;                 all++;             }         }         (int = 0; < 53; i++) {             system.out.println(num[i]);         }     } } 

i suggest not including number 0 because not exist in real deck of cards (ace being lowest having number value of 1). included right here because in understanding, 0 included in desired output.