MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/*
 Output:
    
H
B
L
    
    
 * */

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 MainClass {
    public static void main(String args[]) {
        Set simpsons = new HashSet();
        simpsons.add("B");
        simpsons.add("H");
        simpsons.add("L");
        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());
            }
        }
    }
}