链接：http://www.cnblogs.com/vamei/archive/2013/03/31/2991531.html
java快速教程第1课 从HelloWorld到面向对象
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/14/2958654.html
java快速教程第2课 方法与数据成员
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/25/2964430.html
java快速教程第3课 构造器与方法重载
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/26/2981728.html
java快速教程第4课 封装与接口
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/27/2982209.html
public class Test
{
public static void main(String[] args)
{
Human aPerson = new Human(160);
System.out.println(aPerson.getHeight());
aPerson.growHeight(170);
System.out.println(aPerson.getHeight());
aPerson.repeatBreath(100);
}
}
class Human
{
/**
* constructor
*/
public Human(int h)
{
this.height = h;
System.out.println("I‘m born");
}
/**
* accessor
*/
public int getHeight()
{
return this.height;
}
/**
* mutator
*/
public void growHeight(int h)
{
this.height = this.height + h;
}
/**
* encapsulated, for internal use
*/
private void breath()
{
System.out.println("hu...hu...");
}
/**
* call breath()
*/
public void repeatBreath(int rep)
{
int i;
for(i = 0; i < rep; i++) {
this.breath();
}
}
private int height; // encapsulated, for internal use
}
java快速教程第5课 实施接口
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/29/2982206.html
package text;
interface Cup
{
void addWater(int w);
void drinkWater(int w);
}
class Text implements Cup
{
public void addWater(int w)
{
this.water = this.water + w;
System.out.println(water);
}
public void drinkWater(int w)
{
this.water = this.water - w;
System.out.println(water);
}
public int waterContent( )
{
return this.water;
}
public void play( )
{
System.out.println("la...la...");
}
private int water = 0;
public static void main(String args[ ])
{
Text obj = new Text( );
obj.addWater(10);
obj.drinkWater(4);
}
}
java快速教程第6课组合
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/29/2982206.html
package text;
public class Text
{
public static void main(String[] args)
{
Torch aTorch = new Torch( );
System.out.println("Charge: 2 hours");
aTorch.charge(2);
System.out.println("First Turn On: 3 hours");
aTorch.turnOn(3);
System.out.println("Second Turn On: 3 hours");
aTorch.turnOn(3);
}
}
class Battery
{
public void chargeBattery(double p)
{
if (this.power < 1.)
{
this.power = this.power + p;
}
}
public boolean useBattery(double p)
{
if (this.power >= p)
{
this.power = this.power - p;
return true;
}
else
{
this.power = 0.0;
return false;
}
}
private double power = 0.0;
}
class Torch
{
/**
* 10% power per hour use
* warning when out of power
*/
public void turnOn(int hours)
{
boolean usable;
usable = this.theBattery.useBattery(hours*0.1);
if ( usable != true )
{
System.out.println("No more usable, must charge");
}
}
/**
* 20% power per hour charge
*/
public void charge(int hours)
{
this.theBattery.chargeBattery(hours*0.2);
}
/**
* composition
*/
private Battery theBattery = new Battery();
}
java快速教程第7课 包的建立和使用
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/29/2982206.html
java快速教程第8课 继承
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/29/2982232.html
package test;
public class Test
{
public static void main(String[ ] args)
{
System.out.println("hello world");
Woman aWoman = new Woman();
aWoman.growHeight(120);
System.out.println(aWoman.getHeight());
aWoman.breath();
aWoman.giveBirth();
}
}
class Human
{
/**
* contructor
*/
public Human(int height)
{
this.height = height;
}
public Human()
{
}
/**
* accessor
*/
public int getHeight()
{
return this.height;
}
/**
* * mutator
*/
public void growHeight(int h)
{
this.height = this.height + h;
}
/**
* breath
*/
public void breath()
{
System.out.println("hu...hu...");
}
private int height;
}
class Woman extends Human
{
/**
* constructor
*/
public Woman(int h)
{
super(h); //base class construtor
System.out.println("Hello, Pandora!");
}
public Woman()
{
}
/**
* new method
*/
public Human giveBirth()
{
System.out.println("Give birth");
return (new Human(20));
}
/**
* override Human.breath( )
*/
public void breath()
{
super.breath( );
System.out.println("su...");
}
}
java快速教程第9课 类数据与类方法
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/31/2988622.html
package test;
public class Test
{
public static void main(String[ ] args)
{
System.out.println(Human.getPopulation());
Human aPerson = new Human(160);
System.out.println(aPerson.getPopulation());
}
}
class Human
{
/**
* constructor
*/
public Human(int h)
{
this.height = h;
Human.population = Human.population +1;
}
/**
* accessor
*/
public int getHeight()
{
return this.height;
}
/**
* mutator
*/
public void growHeight(int h)
{
this.height = this.height + h;
}
/**
* breath
*/
public void breath()
{
System.out.println("hu...hu...");
}
private int height;
/*
* static method, access population
*/
public static int getPopulation()
{
return Human.population;
}
private static int population;
private static boolean is_mammal = true;
}
java快速教程第10课 接口的继承与抽象类
学习网址：http://www.cnblogs.com/vamei/archive/2013/03/31/2982240.html
java快速教程第11课 对象引用
学习网址：http://www.cnblogs.com/vamei/archive/2013/04/01/2992484.html
package test;
public class Test
{
public static void main(String[] args)
{
Human aPerson = new Human(160);
Human dummyPerson = aPerson;
System.out.println(dummyPerson.getHeight());
aPerson.growHeight(20);
System.out.println(dummyPerson.getHeight());
}
}
class Human
{
/**
* constructor
*/
public Human(int h)
{
this.height = h;
}
/**
* accessor
*/
public int getHeight()
{
return this.height;
}
/**
* mutator
*/
public void growHeight(int h)
{
this.height = this.height + h;
}
private int height;
}
java快速教程第12课 多态
学习网址：http://www.cnblogs.com/vamei/archive/2013/04/01/2992662.html
将一个衍生类引用转换为其基类引用，这叫做向上转换(upcast)或者宽松转换。
Java快速教程--vamei 学习笔记（基础篇）,布布扣,bubuko.com