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The ClayGraphics clay.shapes package consists of 3 Java interfaces and 3 Java Classes which implement the interfaces. Additionally, 3 Java Main Classes are crafted to test the Java Classes.
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init:
deps-jar:
compile-single:
run-single:
Testing the functionality of the ClayCircle class ...
<Circle: radius=10.0>
radius = 10.0
area = 314.1592653589793
perimeter = 62.83185307179586
<Circle: radius=15.0>
<Circle: radius=5.0>
BUILD SUCCESSFUL (total time: 1 second)
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package clay.shapes;
public interface ClayCircleADT {
public double radius();
public double area();
public double perimeter();
public void expand(double amount);
public void shrink(double amount);
public String toString();
}
package clay.shapes;
public class ClayCircle implements ClayCircleADT {
private double radius;
public ClayCircle(double radius) {
this.radius = radius;
}
public double radius() {
return radius;
}
public double area() {
return Math.PI * Math.pow(radius,2);
}
public double perimeter() {
return Math.PI * diameter();
}
private double diameter() {
return radius*2;
}
public void expand(double amount) {
radius = radius + amount;
}
public void shrink(double amount) {
radius = radius - amount;
}
public String toString() {
return "<Circle: radius=" + radius + ">";
}
}
package testers;
import clay.shapes.ClayCircle;
public class ClayCircleTest {
public ClayCircleTest() {
}
public static void main(String[] args) {
System.out.println("Testing the functionality of the ClayCircle class ...");
ClayCircle c = new ClayCircle(10);
System.out.println(c.toString());
System.out.println("radius = " + c.radius());
System.out.println("area = " + c.area());
System.out.println("perimeter = " + c.perimeter());
c.expand(5);
System.out.println(c.toString());
c.shrink(10);
System.out.println(c.toString());
}
}
package clay.shapes;
public interface ClaySquareADT {
public double side();
public double area();
public double perimeter();
public void expand(double amount);
public void shrink(double amount);
public String toString();
}
package clay.shapes;
public interface ClayRectangleADT {
public double height();
public double width();
public double area();
public double perimeter();
public void expand(double h, double w);
public void shrink(double h, double w);
public String toString();
}
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