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Java basics

fill()


The java.util.Arrays.fill(int[] a, int val) method assigns the specified int value to each element of the specified array of ints.

Syntax:
public static void fill(int[] a, int val)


Example:

import java.util.Arrays;

public class ArrayDemo {

  public static void main(String[] args) {
    
    // initializing int array
    int arr[] = new int[] {1, 6, 3, 2, 9};
    
    // let us print the values
    System.out.println("Actual values: ");
    for (int value : arr) {
      System.out.println("Value = " + value);
    }

    // using fill for placing 18
    Arrays.fill(arr, 18);

    // let us print the values
    System.out.println("New values after using fill() method: ");
    for (int value : arr) {
      System.out.println("Value = " + value);
    }
  }
}


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