Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.util.Collection;

public class Main {
    public static Integer sum(Collection<Integer> collection) {
        if (collection == null || collection.size() == 0) {
            return 0;
        }

        Integer answer = 0;

        for (Integer value : collection) {
            answer += value;
        }

        return answer;
    }
}