Android Map Empty Check isEmpty(Map map)

Description

Return true if the supplied Map is null or empty.

Parameter

Parameter	Description
map	the Map to check

Return

whether the given Map is empty

Declaration

public static boolean isEmpty(Map map) 

Method Source Code

//package com.java2s;

import java.util.Collection;

import java.util.Map;

public class Main {
    /**/*from w  w  w .ja  v a 2s. c o m*/
     * Return {@code true} if the supplied Collection is {@code null}
     * or empty. Otherwise, return {@code false}.
     * @param collection the Collection to check
     * @return whether the given Collection is empty
     */
    public static boolean isEmpty(Collection collection) {
        return (collection == null || collection.isEmpty());
    }

    /**
     * Return {@code true} if the supplied Map is {@code null}
     * or empty. Otherwise, return {@code false}.
     * @param map the Map to check
     * @return whether the given Map is empty
     */
    public static boolean isEmpty(Map map) {
        return (map == null || map.isEmpty());
    }
}

Related

1. isEmptyMap(Map map)