Sync Test : Set : Collections Data Structure : Java examples (example source code) Organized by topic








import java.util.Collections;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;



public class SyncTest {

  public static void main(String args[]) {

    Set simpsons = new HashSet();

    simpsons.add("Bart");

    simpsons.add("Hugo");

    simpsons.add("Lisa");

    simpsons.add("Marge");

    simpsons.add("Homer");

    simpsons.add("Maggie");

    simpsons.add("Roy");

    simpsons = Collections.synchronizedSet(simpsons);

    synchronized (simpsons) {

      Iterator iter = simpsons.iterator();

      while (iter.hasNext()) {

        System.out.println(iter.next());

      }

    }

    Map map = Collections.synchronizedMap(new HashMap(89));

    Set set = map.entrySet();

    synchronized (map) {

      Iterator iter = set.iterator();

      while (iter.hasNext()) {

        System.out.println(iter.next());

      }

    }

  }

}


1. Things you can do with Sets
2. Putting your own type in a Set
3. Use set
4. Another Set demo
5. Set substraction
6. Working with HashSet and TreeSet
7. TreeSet Demo
8. Show the union and instersection of two sets
9. Demonstrate the Set interface
10. TreeSet Test
11. Array Set extends AbstractSet
12. Set Copy
13. Set and TreeSet
14. Tail
15. What you can do with a TreeSet