java - Printing an array in a table format -

i have array filled 50 numbers , cannot figure how output array table format.

currently when print array being outputted 1 long line of numbers, , aiming 10 lines, each consisting of 5 numbers.

furthermore prefer each value 3 digit value. 1 represented 001, improve readability , presentation.

import java.util.*; public class random50 {     public static void main (string[] args)     {         final int max_size = 50;         int[] r50 = new int[max_size];          random rand = new random();          (int i=0; i<r50.length; i++)         {                r50[i] = rand.nextint(1000);              (int j=0;j<i;j++)             {                                if (j!=i && r50[i] == r50[j])                 {                     system.out.println("duplicate: " + r50[i]);                     r50[i] = rand.nextint(1000);                 }              }         }          system.out.printf(arrays.tostring(r50));      }  } 

you should ask 1 question per post i'll answer first question - makes other users can find relevant information in future (not trying mean).

if want start printing on new line every fifth number make use of modulus operator %.

for(int = 0; < 50; i++){     if(i % 5 == 0){ // true every fifth value         system.out.print("\n"); // print new line     }      ... // other code goes here }