Java tutorial
import java.util.Arrays; public class Main { public static void main(String[] args) { // initializing double array double arr[] = new double[] { 1.2, 5.6, 3.4, 2.3, 6.7 }; System.out.println(Arrays.toString(arr)); // using fill for placing 1.2 from index 1 to 3 Arrays.fill(arr, 1, 3, 1.2); System.out.println(Arrays.toString(arr)); } }