public class Circle {
private double radius = 0.0;
private final float PI = 3.14f;
public Circle(double radius){
this.radius = radius;
}
public double getArea(){
return PI * radius * radius;
}
public double getPerimeter(){
return 2 * PI * radius;
}
}
public class CircleTest {
public static void main(String[] args) {
Circle circle = new Circle(5);
System.out.println(circle.getArea());
System.out.println(circle.getPerimeter());
}
}
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