enumsetexample.java

JAVA SE6 全方位学习 朱仲杰 编著 机械工业出版社出版

package java2.E;

import java.util.*;
import static java2.E.NewFoods.*;

public class EnumSetExample
{
	public static void main(String[] args)
	{
		EnumSet<NewFoods> myFavoriteFoods = EnumSet.of(Pasta, Hamburger, Bread, Rice);
		
		boolean answer = myFavoriteFoods.contains(Fruit);
		System.out.printf("Do you like eat fruit? %s\n", answer?"Yes":"No");
		answer = myFavoriteFoods.contains(Hamburger);
		System.out.printf("Do you like eat hamburger? %s\n", answer?"Yes":"No");
		
		System.out.print("My favorite foods are ");
		for(NewFoods food : myFavoriteFoods)
			System.out.printf("%s, ", food);
		System.out.println();
	}
}