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

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Syntax

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

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

Example

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

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

public class Main {

  public static void main(String[] args) {
    
    // initializing long array
    long arr[] = new long[] {1, 5, 9, 3, 7};
    
    System.out.println(Arrays.toString(arr));

    // using fill for placing 10 from index 1 to 3
    Arrays.fill(arr, 1, 3, 10);

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

The code above generates the following result.

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