Question

I need to pass a predefined array into a new method to populate the array with 10 random ints

int[] intList = new int[10];

//Need Help creating method to pass the above array into a method that assigns random ints to each of the 10 slots in the array.

Answer 1

So, here is the complete code in Java.

import java.util.Random;
public class Main {
  
// function to populate array with random numbers
public int[] populate_array(int[] arr){
Random rd = new Random(); // creating Random object
int limit = 50; //To generate random no between 0,50
for (int i = 0; i < arr.length; i++) {
arr[i] = rd.nextInt(limit); // storing random integers in an array
}
return arr; // return the int array with random int
}
  
public static void main(String[] args) {
Main obj = new Main();
int[] intList = new int[10];
// call the function to pupulate inList array with random numbers
intList = obj.populate_array(intList);
// print the array elements
for (int i = 0; i < intList.length; i++) {
System.out.print(intList[i] + ", "); // printing each array element
}
}
}

The program output is :

37, 41, 49, 32, 16, 7, 10, 9, 45, 43,