How do you find the sum of all the numbers in an array in java?

Question

I'm having a problem finding the sum of all of the integers in an array in Java.

Answer 1

To find the sum of all the numbers in an array in java.

int[] a = {100,200,300,400,500}; 

int SUM = IntStream.of(a).sum(); 

System.out.println("The sum is " + sum);

Output:

The sum is 1500.