org.apache.struts2.util
类 ContainUtil

java.lang.Object
  org.apache.struts2.util.ContainUtil

public class ContainUtil
extends Object

ContainUtil will check if object 1 contains object 2. Object 1 may be an Object, array, Collection, or a Map

版本：

$Date$ $Id$

构造方法摘要

ContainUtil()

方法摘要

static boolean

contains(Object obj1, Object obj2) Determine if obj2 exists in obj1.

从类 java.lang.Object 继承的方法

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造方法详细信息

ContainUtil

public ContainUtil()

方法详细信息

contains

public static boolean contains(Object obj1,
                               Object obj2)

Determine if obj2 exists in obj1.

Type Of obj1	Comparison type
null		always return false
Map	Map containsKey(obj2)
Collection	Collection contains(obj2)
Array	there's an array element (e) where e.equals(obj2)
Object	obj1.equals(obj2)

参数：

obj1 -

obj2 -

返回：