Here you can find the source of isEmpty(final Collection collection)
| Parameter | Description |
|---|---|
| collection | the collection being checked (can be <code>null</code> or empty) |
true if null or empty
public static boolean isEmpty(final Collection<?> collection)
//package com.java2s; /*//from w w w. ja v a 2s . c om * Copyright 2013 JBoss Inc * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.Collection; public class Main { /** * @param collection the collection being checked (can be <code>null</code> or empty) * @return <code>true</code> if <code>null</code> or empty */ public static boolean isEmpty(final Collection<?> collection) { return ((collection == null) || collection.isEmpty()); } /** * @param text the string being checked (can be <code>null</code> or empty) * @return <code>true</code> if <code>null</code> or empty */ public static boolean isEmpty(final String text) { return ((text == null) || text.isEmpty()); } }