foreachexample2.java

JAVA SE6 全方位学习 朱仲杰 编著 机械工业出版社出版

package java2.F;

import java.util.*;

public class ForeachExample2
{
	public static void main(String[] args)
	{
		Collection<String> data = new HashSet<String>();
		data.add("Jacky");
		data.add("Piggy");
		data.add("Java");
		
		System.out.println("Using iterator...");
		for(Iterator it = data.iterator(); it.hasNext(); )
			System.out.print(it.next()+" ");
		System.out.println();
		
		System.out.println("Using foreach...");
		for(String str : data)
			System.out.print(str+" ");
		System.out.println();
				
	}
}