public class Circle {
//멤버필드
int radius;
String name;
final double PI = 3.14;
public Circle() {} //기본 생성자
public Circle(int radius) { //생성자
this.radius = radius;
print();
}
public double getArea() { //메소드
return radius * radius * PI;
}
public void print() { //메소드
System.out.println(this.radius + " + "
+ this.radius + " = " + getArea());
}
public static void main(String[] args) {
Circle circle = new Circle(5); //객체 생성
}
}