Java.util.LinkedHashMap.get() Method

Advertisements


Description

The java.util.LinkedHashMap.get() method returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.

Declaration

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

public V get(Object key)

Parameters

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

Return Value

This method returns the value to which the specified key is mapped, or null if this map contains no mapping for the key

Exception

  • NA

Example

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

package com.tutorialspoint;

import java.util.*;

public class LinkedHashMapDemo {

   public static void main(String[] args) {

      // create a new linked hash map
      LinkedHashMap map = new LinkedHashMap(5);

      // add some values in the map
      map.put("One", 1);
      map.put("Two", 2);
      map.put("Three", 3);

      // print the map
      System.out.println("Map:" + map);

      // get key "Three"
      System.out.println("" + map.get("Three"));

      // get key "Five"
      System.out.println("" + map.get("Five"));
   }
}

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

Map:{One=1, Two=2, Three=3}
3
null



Advertisements
Advertisements