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java.lang.Objectorg.apache.struts2.util.ContainUtil
public class ContainUtil
ContainUtil will check if object 1 contains object 2.
Object 1 may be an Object, array, Collection, or a Map
| Constructor Summary | |
|---|---|
ContainUtil()
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| Method Summary | |
|---|---|
static boolean |
contains(java.lang.Object obj1,
java.lang.Object obj2)
Determine if obj2 exists in obj1. |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public ContainUtil()
| Method Detail |
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public static boolean contains(java.lang.Object obj1,
java.lang.Object obj2)
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) |
obj1 - obj2 -
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