Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import java.util.List;

public class Main {

    public static <E> Collection<E> diff(Collection<E> l, Collection<E> r) {
        if (isEmpty(l) || isEmpty(r))
            return l;

        List<E> s = new ArrayList<E>(l);
        s.removeAll(r);

        return s;
    }

    public static boolean isEmpty(Collection<? extends Object> c) {
        return c == null || c.size() == 0;
    }

    public static boolean isEmpty(Object[] objs) {
        return objs == null || objs.length == 0;
    }
}