Circle.java

public class Circle {

  protected int radius;

  public Circle(int r) {
    setRadius(r);
  }

  public void setRadius(int r) {
    radius = r;
  }

  public int getRadius() {
    return radius;
  }

  public int getDiameter() {
    return radius*2;
  }

  public double getArea() {
      return (Math.pow(radius,2)*Math.PI);
  }

}

Cylinder.java

public class Cylinder extends Circle {

  private int height;

  public Cylinder(int r, int h) {
    super(r);
    setRadius(r);
    setHeight(h);
  }

  public void setHeight(int h) {
    height = h;
  }

  public int getHeight() {
    return height;
  }

  public double getVolume() {
      return ((Math.pow(radius,2)*Math.PI)*height);
  }

  public double getSurfaceArea() {
      return (2*Math.PI*Math.pow(radius,2) + 2*Math.PI*radius*height);
  }
}

Runner.java

public class Runner {

  public static void main(String[] args){
      Cylinder c = new Cylinder(1,1);
      System.out.println("Radius:          "+ c.getRadius());
      System.out.println("Height:          "+ c.getHeight());
      System.out.println("Diameter:        "+ c.getDiameter());
      System.out.println("Volume:          "+ c.getVolume());
      System.out.println("Surface Area:    "+ c.getSurfaceArea());

  }

}