Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

public class Main {

    public static int size(Collection<?> collection) {
        return isEmpty(collection) ? 0 : collection.size();
    }

    public static boolean isEmpty(Collection<?> collection) {
        return collection == null || collection.isEmpty();

    }

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

    }

    public static boolean isEmpty(Map<?, ?> map) {
        return map == null || map.isEmpty();

    }
}