Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Iterator;

import java.util.function.Function;

public class Main {
    public static <T> int sum(Iterable<T> source, Function<T, Integer> func) {
        // TODO Auto-generated method stub
        if (source == null || !source.iterator().hasNext())
            return 0;
        Iterator<T> it = source.iterator();
        int count = 0;
        for (T item : source) {
            count += func.apply(item);
        }
        /*for (T item = it.next(); it.hasNext();it.) {
           count += func.apply(item);
        }*/
        return count;

    }
}