36 lines
1.1 KiB
Java
36 lines
1.1 KiB
Java
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public class Cylinder extends Circle {
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private double height;
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public Cylinder(double r, double h){
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super(r);//Recommended by IDE. Invokes Circle(double radius).
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// Circle with location 0, 0 and radius r.
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this.height = h;
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//now a cylinder with radius r and height h at 0,0
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}
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public Cylinder(int x, int y,double r, double h){
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super(r, x, y); //a circle with radius r at x,y
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this.height = h;
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//cylinder with radius r and height h at x,y
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}
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public double getSurfaceArea(){
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return 2*(Math.PI*getRadius()*getHeight() + Math.PI*Math.pow(getRadius(),2));
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}
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public double getVolume(){
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return Math.PI*Math.pow(getRadius(), 2)*getHeight();
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}
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public void setHeight(double h){ this.height = h;}
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public double getHeight(){ return this.height; }
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public String toString(){
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String format = "%sCylinder's height = %f ,Surface area = %f , Volume = %f";
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return String.format(format, super.toString(), getHeight(), getSurfaceArea(), getVolume());
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}
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}
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