第九周上机作业

package Wxte;
import java.util.Scanner;

public class Person {
	int x;
    int y;
    Person() {
              
    }
    Person(int dx,int dy) {
        x+=dx;
        y+=dy;
              
    }
    void movepoint(int p1,int p2) {            
        p1=x*2;
        p2=y*2;
        System.out.println("p1的坐标"+p1+"\n"+"p2的坐标"+p2);              
    }
    
    
}

　　

package Wxte;
import java.util.Random;
import java.util.Scanner;

public class Mast {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Person p=new Person();
	        p.x=6;
	        p.y=7;
	       p.movepoint(p.x,p.y);
	 }
	}

　　2.

package Wxte;
import java.util.Scanner;

public class Person {
	 int length;
	    int width;

	    public  Person(int length, int width) {
	        this.length = length;
	        this.width = width;
	    }

	    public int getArea() {
	        return length * width;
	    }

	    public int getPer() {
	        return 2 * (length + width);
	    }

	    void showAll() {
	        System.out.println("长为" + length + ",宽为" + width + ",面积为" + getArea() + ",周长为" + getPer());
	    }

	    public static void main(String[] args) {
	    	 Person a = new  Person(5 ,3);
	        a.showAll();
	         }

	    }

　　3.

package Wxte;
import java.util.Scanner;

public class Person {
	 char color;
	    int  model;
	    Person(){   
	    }
	    Person(char color,int model){
	        this.color=color;
	        this.model=model;
	    }
	    public void info() {
	        System.out.println("笔记本信息:"+color+" "+model);
	    }
	}

　　

package Wxte;
import java.util.Random;
import java.util.Scanner;

public class Mast {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		 Person a=new  Person('蓝',16);
         a.info();
 }
}

　　4.

package Wxte;
import java.util.Scanner;

public class Person {
	private String name;
    private int age;
    private float heigh;
    public Person(String name,int age,float heigh) {
        this.name=name;
        this.age=age;
        this.heigh=heigh;
    }
    
    
    public void sayHello() {
        System.out.println("hello,my name is "+name+" 我的年龄为"+age+" 我的身高为"+heigh+"cm");
    }
}

　　

package Wxte;
import java.util.Random;
import java.util.Scanner;

public class Mast {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		 Person p =new Person("张三",34,175);
	        Person m =new Person("李四",46,177);
	        p.sayHello();
	        m.sayHello();
	    }
 }