BAEL-1576 Added implementation for finding sum in a boxed integer array (#3901)

2018-03-28 22:07:33 +05:30
parent 757f634467
commit 1de8475a99
2 changed files with 13 additions and 0 deletions
--- a/core-java/src/main/java/com/baeldung/array/SumAndAverageInArray.java
+++ b/core-java/src/main/java/com/baeldung/array/SumAndAverageInArray.java
@@ -16,6 +16,10 @@ public class SumAndAverageInArray {
        return Arrays.stream(array).sum();
    }

+    public static int findSumUsingStream(Integer[] array) {
+        return Arrays.stream(array).mapToInt(Integer::intValue).sum();
+    }
+
    public static double findAverageWithoutUsingStream(int[] array) {
        int sum = findSumWithoutUsingStream(array);
        return (double) sum / array.length;