Java tutorial
import java.util.Arrays; public class Main { public static void main(String[] args) { float arr[] = new float[] { 1f, 2f, 3f, 4f, 5f }; System.out.println(Arrays.toString(arr)); // using fill for placing 12 from index 1 to 3 Arrays.fill(arr, 1, 3, 12f); System.out.println(Arrays.toString(arr)); } }