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 {
    /**
     * Returns the size of the specified collection or {@code 0} if the
     * collection is {@code null}.
     *
     * @param c
     *            the collection to check
     * @return the size of the specified collection or {@code 0} if the
     *         collection is {@code null}.
     * @since 1.2
     */
    public static int size(Collection c) {
        return c != null ? c.size() : 0;
    }

    /**
     * Returns the size of the specified map or {@code 0} if the map is
     * {@code null}.
     *
     * @param m
     *            the map to check
     * @return the size of the specified map or {@code 0} if the map is
     *         {@code null}.
     * @since 1.2
     */
    public static int size(Map m) {
        return m != null ? m.size() : 0;
    }
}