javaSet遍历

import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

public class Setget {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Set mySet = new HashSet();
        mySet.add("set1");
        mySet.add("set2");
        mySet.add("set2");
        Iterator iterator = mySet.iterator();
        String value = null;
        while (iterator.hasNext()) {
            value = iterator.next();
            System.out.println(value);
        }
    }

}