Demonstrating the WeakHashMap : HashTable Map « Collections Data Structure « Java

Demonstrating the WeakHashMap

Demonstrating the WeakHashMap
import java.util.Map;
import java.util.WeakHashMap;

public class Weak {

  public static void main(String args[]) {
    final Map map = new WeakHashMap();
    map.put(new String("Java2s"), "");
    Runnable runner = new Runnable() {
      public void run() {
        while (map.containsKey("Java2s")) {
          try {
          } catch (InterruptedException ignored) {
    Thread t = new Thread(runner);
    System.out.println("Main waiting");
    try {
    } catch (InterruptedException ignored) {


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