Java Collection Empty isEmpty(Collection objs)

Description

is Empty

License

Apache License

Declaration

public static boolean isEmpty(Collection<?> objs) 

Method Source Code

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

import java.util.Collection;

public class Main {
    public static boolean isEmpty(Object objs) {
        if (objs == null) {
            return true;
        }/*from  w  w  w .j a va  2 s  .  co  m*/
        return false;
    }

    public static boolean isEmpty(Object[] objs) {
        if ((objs == null) || (objs.length == 0)) {
            return true;
        }
        return false;
    }

    public static boolean isEmpty(Collection<?> objs) {
        if ((objs == null) || (objs.size() <= 0)) {
            return true;
        }
        return false;
    }

    public static boolean isEmpty(byte[] objs) {
        if ((objs == null) || (objs.length == 0)) {
            return true;
        }
        return false;
    }

    public static boolean isEmpty(String str) {
        if ((str == null) || (str.trim().length() == 0)) {
            return true;
        }
        return false;
    }

    public static boolean isEmpty(Long l) {
        if ((l == null) || (l.longValue() == 0L)) {
            return true;
        }
        return false;
    }
}

Related

1. isEmpty(Collection collection)
2. isEmpty(Collection collection)
3. isEmpty(Collection collection)
4. isEmpty(Collection collection)
5. isEmpty(Collection o)
6. isEmpty(Collection value)
7. isEmpty(Collection values)
8. isEmpty(Collection c)
9. isEmpty(Collection data)