构造方法
public area(int a,intb){
A=a;
B=b;
}
area a=new area(5,6);
syso(" ssdad"+a.area());
package DemoArea2.copy;
import org.omg.PortableServer.POAPackage.ServantAlreadyActive;
public class area2 {
private int A;
private int B;
private String Color;
public area2(int a,int b){
A=a;
B=b;
}
int setarea(){
return A*B;
}
}
package DemoArea2.copy;
public class Mainarea2 {
public static void main(String[] args) {
// TODO Auto-generated method stub
area2 a2=new area2(3, 5);
System.out.println("面积是"+a2.setarea());
}
}