Java Collection Empty isEmpty(Collection collection)

Description

is Empty

License

Apache License

Declaration

public static boolean isEmpty(Collection collection) 

Method Source Code

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

import java.util.Collection;

import java.util.Map;

public class Main {

    public static boolean isEmpty(Collection collection) {
        if (null == collection || collection.isEmpty()) {
            return true;
        }//from   ww w  .j av a 2 s.  c  o m
        return false;
    }

    public static boolean isEmpty(Map map) {
        if (null == map || map.isEmpty()) {
            return true;
        }
        return false;
    }

    public static boolean isEmpty(String str) {
        if (null == str || "".equals(str)) {
            return true;
        }
        return false;
    }

    public static boolean equals(String str1, String str2) {
        return str1 == null ? str2 == null : str1.equals(str2);
    }

    public static boolean equals(Long i1, Long i2) {
        return i1 == null ? i2 == null : i1.longValue() == i2.longValue();
    }
}

Related

1. isEmpty(Collection collection)
2. isEmpty(Collection collection)
3. isEmpty(Collection collection)
4. isEmpty(Collection collection)
5. isEmpty(Collection collection)
6. isEmpty(Collection collection)
7. isEmpty(Collection items)
8. isEmpty(Collection list)
9. isEmpty(Collection v)