java.util.IdentityHashMap.get() Method

Advertisements


Description

The get(Object key) method is used to get the value to which the specified key is mapped in this identity hash map, or null if the map contains no mapping for this key.

Declaration

Following is the declaration for java.util.IdentityHashMap.get() method.

public V get(Object key)

Parameters

  • key--This is the key whose associated value is to be returned.

Return Value

The method call returns 'true' if the value to which this map maps the specified key, or null if the map contains no mapping for this key.

Exception

  • NA

Example

The following example shows the usage of java.util.IdentityHashMap.get()

package com.tutorialspoint;

import java.util.*;

public class IdentityHashMapDemo {
   public static void main(String args[]) {
      // create identity hash map
      IdentityHashMap ihmap = new IdentityHashMap();
           
      // populate the map
      ihmap.put(1, "java");
      ihmap.put(2, "util");
      ihmap.put(3, "package");
     
      System.out.println("Value at key '2' is: " + ihmap.get(2));
   }    
}

Let us compile and run the above program, this will produce the following result.

Value at key '2' is: util



Advertisements
Advertisements