Java Collection Tutorial - Java Arrays.fill(char[] a, int fromIndex, int toIndex, char val)

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Syntax

Arrays.fill(char[] a, int fromIndex, int toIndex, char val) has the following syntax.

public static void fill(char[] a, int fromIndex, int toIndex, char val)

Example

In the following code shows how to use Arrays.fill(char[] a, int fromIndex, int toIndex, char val) method.

// w w w . j  a  v a2 s  .  com
import java.util.Arrays;

public class Main {

  public static void main(String[] args) {
    
    // initializing char array
    char arr[] = new char[] {'a','b','c','d','e','f'};
    
    System.out.println(Arrays.toString(arr));

    // using fill for placing z from index 2 to 4
    Arrays.fill(arr, 2, 4, 'z');

    System.out.println(Arrays.toString(arr));
  }
}

The code above generates the following result.

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