Instructions: Using the Java naming conventions and javadoc comments create the
ID: 3590176 • Letter: I
Question
Instructions: Using the Java naming conventions and javadoc comments create the following.
You are a scientific computing company known as thefourthwall at www.thefourthwall.ne
Create a java package using the above information which holds the following classes:
1. class “cone” includes a constant for PI called “our pi constant”, and set and get methods for the height and radius of the cone. Also, calculate the cone’s area and volume.
2. In class “cone user” there should be stages/steps in which we print data about the cone. The print method prints a string consisting of the attribute of the cone that is to be printed along with the numerical value of the attribute in question. The print method does NOT belong to an object.
Step 1: print the cone’s height.
Step 2: print the cone’s radius at the base.
Step 3: print the cone’s surface area.
Step 4: print the cone’s volume.
The print message should say the following:
Cone {attribute} is {value}. (Newline x2)
print(String attribute, Float value)
All classes and methods should be accompanied by a JavaDoc comment.
Explanation / Answer
// Please find Code below
public class Cone {
private static final double PI = 3.14;
private double height;
private double radius;
// setters and getters
/**
* @return height of the cone
*/
public double getHeight() {
return height;
}
/**
* @return radius of the cone
*/
public double getRadius() {
return radius;
}
/**
* @param height
*/
public void setHeight(double height) {
this.height = height;
}
/**
* @param radius
*/
public void setRadius(double radius) {
this.radius = radius;
}
/**
* @return surface area of the cone
*/
public double area() {
double length = Math.sqrt(radius * radius + height * height);
return PI * radius * (radius + length);
}
/**
* @return volume of the cone
*/
public double volume() {
return (PI*radius*radius*height)/3.0;
}
public void print() {
System.out.println("Cone height is "+height);
System.out.println("Cone radius is "+radius);
System.out.println("Cone surface area is "+area());
System.out.println("Cone volume is "+volume());
}
public static void main(String[] args) {
Cone cone = new Cone();
cone.setHeight(4.5);
cone.setRadius(3.5);
cone.print();
}
}
/*
Sample Output:
Cone height is 4.5
Cone radius is 3.5
Cone surface area is 101.11763960919764
Cone volume is 57.69750000000001
*/