packagedemo.java

《Java语言程序设计》的源代码第2、3、4、5章源代码。

//PackageDemo.java
package mypackage;
import shape.*;
public class PackageDemo{
public static void main(String []args){
	   rectangle rect=new rectangle(50,100,20,10);
	   circle cir=new circle(20,30,10);
	   System.out.println("Rectangle Locate ( "+rect.x+" ,"+rect.y+" )");
	   System.out.println("Rectangle Area = "+rect.area());
	   System.out.println("Rectangle Circulms= "+rect.circulms());
System.out.println("Circle Locate ( "+cir.x+" ,"+cir.y+" )");
	   System.out.println("Circle Area = "+cir.area());
	   System.out.println("Circle Circulms= "+cir.circulms());	
}
}