WeakHashMap containsValue Example
WeakHashMap class containsValue example. This example shows you how to use containsValue method.
WeakHashMap class containsValue example.public boolean containsValue(Object value) Returns true if this map maps one or more keys to the specified value.
Here is the code
/**
* @ # ContainsValue.java
* A class repersenting use to containsValue method
* of WeakHashMap class in java.util package
* version 22 May 2008
* author Rose India
*/
import java.util.*;
public class ContainsValue {
public static void main(String args[]) {
WeakHashMap map = new WeakHashMap();
map.put(1, "A");
map.put(2, "B");
map.put(3, "C");
map.put(4, "D");
System.out.println("map = " + map);
//Returns true if this map maps one
//or more keys to the specified value.
System.out.println(map.containsValue("A"));
}
} |
Output
map = {4=D, 3=C, 2=B, 1=A}
true |
|
