Java sum of elements in array

/**
 * @author lautturi.com 
 * Java example: get the sum of elements of an array
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		int[] arr = {1,2,3,4,5,6,7,8,9,10};
		int sum = java.util.stream.IntStream.of(arr).sum();
		System.out.println("sum:"+sum);
	}
}

output:

sum:55

/**
 * @author lautturi.com 
 * Java example: Java get sum of elements in array
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		int[] arr = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
		int sum = 0;
		for (int i = 0; i < arr.length; i++) {
			sum += arr[i];
		}
		System.out.println("sum:" + sum);
	}
}

output:

sum:55