Write a program that gives the user a menu of six choices (use integers) to select from. The choices are circle, triangle, cone, cylinder, sphere, and quit. (The formulas are given below.) Once the figure is calculated, an informative message should be printed and the user shown the menu again, so that another choice can be made. The formulas are: • Area of circle: a = 3.14 * radius * radius Area of triangle: a = ½ base * height Volume of a cone: v = 1/3 * 3.14 * radius * radius * height Volume of a cylinder: v = 3.14 * radius * radius * height Volume of a sphere: v = 4/3 * 3.14 * radius * radius * radius

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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The Language must be in Java.

**Program Design for Calculating Geometric Shapes**

Create a program offering a menu with six options: circle, triangle, cone, cylinder, sphere, and quit. Users select via integers. Upon calculation, display a message and return to the menu for another choice. Use these formulas:

- **Area of a circle**: \( a = 3.14 \times \text{radius} \times \text{radius} \)
- **Area of a triangle**: \( a = \frac{1}{2} \times \text{base} \times \text{height} \)
- **Volume of a cone**: \( v = \frac{1}{3} \times 3.14 \times \text{radius}^2 \times \text{height} \)
- **Volume of a cylinder**: \( v = 3.14 \times \text{radius}^2 \times \text{height} \)
- **Volume of a sphere**: \( v = \frac{4}{3} \times 3.14 \times \text{radius}^3 \)

### Program Details

1. **Menu Display**: Shows a list of figures and quit. Each figure choice invokes its own method.

2. **User Interaction**: Validate user choice, prompt for input with doubles for precision, and compute area/volume. Display results with two decimal precision.

3. **Input Method**: A separate method prompts the user for necessary input values, not used for menu selection.

4. **Program Decomposition**: Use methods to reduce redundant code operations.

This structure promotes clean, efficient code management and enhances usability by clearly defining method roles and program flow.
Transcribed Image Text:**Program Design for Calculating Geometric Shapes** Create a program offering a menu with six options: circle, triangle, cone, cylinder, sphere, and quit. Users select via integers. Upon calculation, display a message and return to the menu for another choice. Use these formulas: - **Area of a circle**: \( a = 3.14 \times \text{radius} \times \text{radius} \) - **Area of a triangle**: \( a = \frac{1}{2} \times \text{base} \times \text{height} \) - **Volume of a cone**: \( v = \frac{1}{3} \times 3.14 \times \text{radius}^2 \times \text{height} \) - **Volume of a cylinder**: \( v = 3.14 \times \text{radius}^2 \times \text{height} \) - **Volume of a sphere**: \( v = \frac{4}{3} \times 3.14 \times \text{radius}^3 \) ### Program Details 1. **Menu Display**: Shows a list of figures and quit. Each figure choice invokes its own method. 2. **User Interaction**: Validate user choice, prompt for input with doubles for precision, and compute area/volume. Display results with two decimal precision. 3. **Input Method**: A separate method prompts the user for necessary input values, not used for menu selection. 4. **Program Decomposition**: Use methods to reduce redundant code operations. This structure promotes clean, efficient code management and enhances usability by clearly defining method roles and program flow.
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