import java.util.Scanner;

/* Volumes.java
**
** CMPS 134 - Fall 2022
** Authors: P.M.J. and < STUDENT's NAME >
** Collaborated with: ...
** Known Flaws: ...
**
** Java application that prompts for and reads a series of positive real 
** numbers representing measurements for the three-dimensional shapes
** cube, sphere, cylinder, cone, and cuboid.  The program then computes
** the corresponding volumes for each shape and reports it as output.
*/

public class Volumes {
 
   // Scanner object through which input data is read from the keyboard.
   static Scanner keyboard = new Scanner(System.in);

   // Global input and output variables.
   static double measurement1;   // (input)  1st measurement 
   static double measurement2;   // (input)  2nd measurement 
   // CODE MISSING HERE!!
   static double volume;         // (output)  holds the computed volume 

   static final double PI = 3.1415926535897932384626433;

   public static void main(String[] args) {
      
      // Prompt user to enter the first measurement.
      System.out.print("Enter 1st measurement:>");  

      // Read user's response and store it in the input variable
      measurement1 = keyboard.nextDouble();
   
      // Call method to compute the volume of a cube.
      computeForCube();

      // Report result for a cube
      System.out.print("A cube with an edge length of " + measurement1);
      System.out.println(" has a volume of " + volume);
     
      // Call method to compute the volume of a sphere.
      // CODE MISSING HERE!!

      // Report result for a sphere
      System.out.print("A sphere of radius " + measurement1);
      System.out.println(" has a volume of " + volume);
     

      // Now for the second measurement...

      // Prompt user to enter the second measurement.
      System.out.println();
      System.out.print("Enter 2nd measurement:>");  

      // Read user's response and store it in the input variable
      measurement2 = keyboard.nextDouble();
   
      // Call method to compute the volume of a cylinder.
      // CODE MISSING HERE!!

      // Report result for a cylinder
      // CODE MISSING HERE!!
     
      // Call method to compute the volume of a cone.
      // CODE MISSING HERE!!

      // Report result for a cone
      // CODE MISSING HERE!!
     

      // Now for the third measurement...

      // Prompt user to enter a third measurement, and read it.
      // CODE MISSING HERE!!
   
      // Compute and report result for a cuboid
      // CODE MISSING HERE!!
   }


   // S t a t i c   M e t h o d s
   // ---------------------------

   /* Computes the volume of a cube whose edge length is currently in the
   ** global variable 'measurement1'.
   */
   static void computeForCube() {
      volume = measurement1 * measurement1 * measurement1;
   } 
   
   /* Computes the volume of a sphere whose radius length is currently in
   ** the global variable 'measurement1'.
   */
   static void computeForSphere() {
      // CODE MISSING HERE!!
   } 
   
   /* Computes the volume of a cylinder whose radius length is currently in 
   ** the global variable 'measurement1' and whose height is currently in the
   ** global variable 'measurement2'.
   */
   // CODE MISSING HERE!!
   

 
   // CODE (FOR ADDITIONAL METHODS) MISSING HERE!

}