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| Constructor and Description |
|---|
ContainUtil() |
public static boolean contains(Object obj1, 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 - first objectobj2 - second objectCopyright © 2000–2018 Apache Software Foundation. All rights reserved.