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- public class Circle
- {
- private double radius;
- private double area;
- public Circle( )
- {
- radius = 0;
- area = 0;
- }
- public Circle( double radius )
- {
- this.radius = radius;
- }
- public double getRadius( )
- {
- return radius;
- }
- public void setRadius( double radius )
- {
- this.radius = radius;
- }
- public double getArea( )
- {
- return area;
- }
- public void setArea( double radius )
- {
- area = (radius)*(radius)*Math.PI;
- }
- public String toString( )
- {
- return "The radius of the circle is: " + radius + ", and the area is: " + area;
- }
- public static void main(String aa[])
- {
- Circle c = new Circle();
- c.setRadius(10);
- c.setArea(10);
- double d=c.getArea();
- System.out.println(d);
- System.out.println(c.getRadius());
- }
- }
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