package com.imocc;
import java.util.*;
public abstract class Shape {
public abstract void Zc();
public abstract void Mj();
public class Rectangle extends Shape {
int c,k;
public Rectangle(int c,int k){
this.c=c;
this.k=k;
}
public void Zc() {
// TODO Auto-generated method stub
double Zc=2*(c+k);
System.out.println("长方形的周常为："+Zc);
}
public void Mj() {
// TODO Auto-generated method stub
double Mj=c*k;
System.out.println("长方形的面积："+Mj);
}
}
public class Circle extends Shape {
int r;
public Circle(int r){
this.r=r;
}
public void Zc() {
// TODO Auto-generated method stub
double Zc=r*2*3.14;
System.out.println("圆的周常为："+Zc);
}
public void Mj() {
// TODO Auto-generated method stub
double Mj = r * r * 3.14;
System.out.println("圆形的面积为：" + Mj);
}
}
public void main(String[] args) {
// TODO Auto-generated method stub
System.out.println("请输入圆的半径");
Scanner input = new Scanner(System.in);
int r = input.nextInt();
Shape z= new Circle(r);
z.Zc();
z.Mj();
System.out.println("请输入长方形的长和宽");
Scanner input1 = new Scanner(System.in);
int a = input1.nextInt();
Scanner input2 = new Scanner(System.in);
int b = input2.nextInt();
Shape z1=new Rectangle(a,b);
z1.Zc();
z1.Mj();
}
}
package tuxing;
public abstract class Shaper {
public abstract void area();
public abstract void perimeter();
}
package tuxing;
public class Rectangle extends Shaper {
float chang,kuan;
public void set(float chang,float kuan){
this.chang=chang;
this.kuan=kuan;
}
public float get(){
return chang*kuan;
}
public float get2(){
return (chang+kuan)*2;
}
@Override
public void area() {
// TODO Auto-generated method stub
Rectangle a=new Rectangle();
a.set(10.0f,20.0f);
System.out.println("矩形的面积是:"+a.get());
}
@Override
public void perimeter() {
// TODO Auto-generated method stub
Rectangle b=new Rectangle();
b.set(10.0f,20.0f);
System.out.println("矩形的周长是:"+b.get2());
}
}
package tuxing;
public class Circle extends Shaper {
float banjing;
public void set(float banjing){
this.banjing=banjing;
}
public float get(){
return banjing*banjing*3.14f;
}
public float get2(){
return banjing*6.28f;
}
@Override
public void area() {
// TODO Auto-generated method stub
Circle a=new Circle();
a.set(10.0f);
System.out.println("圆形的面积是:"+a.get());
}
@Override
public void perimeter() {
// TODO Auto-generated method stub
Circle a=new Circle();
a.set(10.0f);
System.out.println("圆形的周长是:"+a.get2());
}
}
package tuxing;
public class Initial {
public static void main(String[] args) {
// TODO Auto-generated method stub
Shaper f=new Rectangle();
f.area();
f.perimeter();
Shaper y=new Circle();
y.area();
y.perimeter();
}
}放这么多代码，想表达什么？