test.java

一个很不错的网上小型购物系统

package test;

import java.security.MessageDigest;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;

import junit.framework.TestCase;
import sun.misc.BASE64Encoder;

public class Test extends TestCase {
	public void test1() {
		List list = new ArrayList();
		list.add(new Dog("dahuang"));
		System.out.println(list.contains(new Dog("dahuang")));
	}

	public void test2() {
		Set set = new HashSet();
		set.add(new Dog("dahuang"));
		set.add(new Dog("dahuang"));
		System.out.println(set);
	}

	public void test3() {
		Set set = new TreeSet();
		set.add(new Dog("dahuang", 1));
		Dog dog = new Dog("dahuang", 2);
		System.out.println(set);
		set.remove(dog);
		set.add(dog);
		System.out.println(set);
	}

	public void test4() {
		try {
			String password = "whatisjave";
			MessageDigest md = MessageDigest.getInstance("MD5");
			BASE64Encoder encoder = new BASE64Encoder();
			byte[] b = md.digest(password.getBytes("utf-8"));
			String encryptPassword = encoder.encode(b);
			System.out.println(encryptPassword);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
}