package yangzhie001;
public abstract class shape {
int chang;
int kuang;
final double pai=3.14;
double R;
public abstract void zhouchang();
public abstract void mianji();
}
public abstract class shape {
int chang;
int kuang;
final double pai=3.14;
double R;
public abstract void zhouchang();
public abstract void mianji();
}
2016-10-27
package yangzhie001;
public class Rectanggle extends shape {
@Override
public void zhouchang() {
System.out.println("面积为:"+(chang+kuang)*2);
}
@Override
public void mianji() {
// TODO Auto-generated method stub
System.out.println("面积为:"+chang*kuang);
}
}
public class Rectanggle extends shape {
@Override
public void zhouchang() {
System.out.println("面积为:"+(chang+kuang)*2);
}
@Override
public void mianji() {
// TODO Auto-generated method stub
System.out.println("面积为:"+chang*kuang);
}
}
2016-10-27
package yangzhie001;
public class circle extends shape {
@Override
public void zhouchang() {
// TODO Auto-generated method stub
System.out.println("圆周长为:"+2*R*pai);
}
@Override
public void mianji() {
System.out.println("圆面积为:"+pai*R*R);// TODO Auto-generated method stub
}
}
public class circle extends shape {
@Override
public void zhouchang() {
// TODO Auto-generated method stub
System.out.println("圆周长为:"+2*R*pai);
}
@Override
public void mianji() {
System.out.println("圆面积为:"+pai*R*R);// TODO Auto-generated method stub
}
}
2016-10-27
package yangzhie001;
public class Ct {
public static void main(String[] args) {
Rectanggle R1=new Rectanggle();
circle yuan=new circle();
R1.chang=10;
R1.kuang=20;
yuan.R=2.5;
R1.zhouchang();
R1.mianji();
yuan.zhouchang();
yuan.mianji();
}
}
public class Ct {
public static void main(String[] args) {
Rectanggle R1=new Rectanggle();
circle yuan=new circle();
R1.chang=10;
R1.kuang=20;
yuan.R=2.5;
R1.zhouchang();
R1.mianji();
yuan.zhouchang();
yuan.mianji();
}
}
2016-10-27