Arrays.fill(Object [] a, int fromIndex, int toIndex, Object val) has the following syntax.
public static void fill(Object [] a, int fromIndex, int toIndex, Object val)
In the following code shows how to use Arrays.fill(Object [] a, int fromIndex, int toIndex, Object val) method.
/*from w w w. ja va 2s.co m*/ import java.util.Arrays; public class Main { public static void main(String[] args) { // initializing object array Object arr[] = new Object[] {1.2, 5.6, 3.4, 2.3, 6.7}; System.out.println(Arrays.toString(arr)); // using fill for placing 12.2 from index 1 to 3 Arrays.fill(arr, 1, 3, 12.2); System.out.println(Arrays.toString(arr)); } }
The code above generates the following result.