Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.util.Collection;

import java.util.Map;

public class Main {
    /**
     * return collection is empty
     * @param c
     * @return
     */
    public static <E> boolean isEmpty(Collection<E> c) {
        return (null == c || c.isEmpty());
    }

    /**
     * return map is empty
     * @param map
     * @return
     */
    public static <K, V> boolean isEmpty(Map<K, V> map) {
        return (null == map || map.isEmpty());
    }

    /**
     * return array is empty
     * @param arr
     * @return
     */
    public static <T> boolean isEmpty(T[] arr) {
        return null == arr || arr.length == 0;
    }
}