附帶輸入參數的作業代碼
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("長方形的周常為："+Zc);
}
public void Mj() {
// TODO Auto-generated method stub
double Mj=c*k;
? ? System.out.println("長方形的面積："+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("圓的周常為："+Zc);
}
public void Mj() {
// TODO Auto-generated method stub
double Mj = r * r * 3.14;
? ? ? ?System.out.println("圓形的面積為：" + Mj);
}
}
? ? ? public ?void main(String[] args) {
// TODO Auto-generated method stub
?System.out.println("請輸入圓的半徑");
Scanner input = new Scanner(System.in);
? int r = input.nextInt();
? ? ? ?Shape z= new Circle(r);
z.Zc();
? ? ? ? z.Mj();
? ?
? ?
? ?System.out.println("請輸入長方形的長和寬");
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();
}
}
2016-12-16
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("矩形的面積是:"+a.get()); } @Override public?void?perimeter()?{ //?TODO?Auto-generated?method?stub Rectangle?b=new?Rectangle(); b.set(10.0f,20.0f); System.out.println("矩形的周長是:"+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("圓形的面積是:"+a.get()); } @Override public?void??perimeter()?{ //?TODO?Auto-generated?method?stub Circle?a=new?Circle(); a.set(10.0f); ??????System.out.println("圓形的周長是:"+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(); } }2016-11-29
放這么多代碼，想表達什么？