Java Collection Tutorial - Java WeakHashMap.get(Object key)


WeakHashMap.get(Object key) has the following syntax.

public V get(Object key)


In the following code shows how to use WeakHashMap.get(Object key) method.

import java.util.Map;
import java.util.WeakHashMap;
/*from ww w  . j a  v  a2  s.c o  m*/
public class Main {
   public static void main(String[] args) { 
      Map<String, String>  weakHashMap = new WeakHashMap<String, String> ();
      weakHashMap.put("1", "first");
      weakHashMap.put("2", "two");
      weakHashMap.put("3", "from");
      // check existence of value for key 2
      System.out.println("Checking value for key 2");

The code above generates the following result.