testinherit.java

来自「主要是对于JAVA的编程的基本语言 希望能够帮得上你。」· Java 代码 · 共 119 行

package inheritance1;

/*
 * Person类
 */

class Person{
	
	String name;
	int age;
	
	//构造方法
	public Person(String name,int age){
		this.name=name;
		this.age=age;
		System.out.println("Person: "+name+", age="+age);
	}
	
	public void breathe(){
		System.out.println(name+" is breathing.");
	}
	
	public void greet(){
		System.out.println("Nice to meet you, "+name);
	}
}

/*
 * Man类
 */

class Man extends Person{
	String name;
	int height, weight;
	
	//构造方法	
	public Man(String name,int age){	
		super(name,age);	
		System.out.println("Man: "+name+", age="+age);	
	}
	//构造方法
	public Man(String name, int age, int height, int weight){
		super(name,age);
		this.height=height;
		this.weight =weight;		
		System.out.println("Man: "+name+", age="+age+", height="+height+", weight="+weight);
	}
	
	public void test(){
		super.greet();
	}
	
	//方法的覆盖	
	@Override
	public void greet(){
		System.out.println("Nice to meet you, Mr. "+name);
	}
	
	public void sing(){
		System.out.println("Mr. "+name+" is singing.");
	}
}

/*
 * Soldier类
 */

class Soldier extends Person{
	String type;
	
	public Soldier(String name, int age, String type){
		super(name,age);
		this.type=type;		
	}
	
	void fire(){
		System.out.println(name+" is firing.");
	}
}

public class TestInherit {
	public static void main(String[] args) {		
//		Person p=new Person("Alice",20);
//		p.greet();
//		
//		Man m1=new Man("Howard",30);		
//		m1.breathe();
//		m1.sing();		
//		m1.greet();
		
//		Man m2=new Man("Mike",23,170,65);	
//		m2.breathe();
//		m2.sing();		
//		m2.greet();	
		
		Man m=new Man("Mike",30);
		m.greet();
		m.test();
		
		
		
//		Soldier soldier=new Soldier("White",23,"Land");
//		soldier.breathe();
//		soldier.greet();
//		soldier.fire();		
	}
}

interface Flyer{
	int SPEED=100;
}

interface Eatable{
	
}

interface Aircraft extends Flyer, Eatable{
	
}