Question

Write a program where you hardcode 4 numerical values for an array. Write a loop to print those values. Another loop to multiply those values by some constant and store them in the original array variable. Print the array values again. ***in Java

Answer 1

public class TestCode {
    public static void main(String[] args) {
        int arr[] = {4,2,3,5};

        for(int i = 0;i<arr.length;i++){
            System.out.print(arr[i]+" ");
        }
        System.out.println();

        for(int i = 0;i<arr.length;i++){
            arr[i] = arr[i]*9;
        }

        for(int i = 0;i<arr.length;i++){
            System.out.print(arr[i]+" ");
        }
        System.out.println();
    }
}

4 2 3 5 
36 18 27 45