ClassTest.java

package io.keith;
import java.util.*;
import test.pkg.*;

public class ClassTest {
	private String name;
	private int age;
	int k = 90;
	public ClassTest(){
		name = "Wang Yue";
		age = 19;
	}
	public static void main(String args[]){
		ClassTest ct = new ClassTest();
		System.out.println(ct.name+' '+ ct.age);
	}
}

class HashTableTest{
	public void test(){
		Hashtable <String, Integer>h= new Hashtable<String, Integer>();
		h.put("One", 1);
		h.put("Two", 2);
	}
}


class AccessTest{
	private int x = 10;
	private void sayHello(){
		System.out.println("Hello WangYue");
	}
	public int getX(){
		return this.x;
	}
	public void saiHi(){
		this.sayHello();
	}
}