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4 Graphical Output Draw rectangles corresponding to the number of rectangles the user has requested (5 on the left example; 20 on the right). Then draw the sine wave (x domain 0 <= x <=) so it is clearly visible. Drawing Panel File Yew Help 5 User Interface Display this menu: Sine Wave Menu x Drawing Pa File View Help 1. Find y value for specified radians x Estimate area for 0 <= x <= PI 2. 3. Draw curve with area estimation rectangles 0. EXIT the program Enter your choice: Keep the user within the menu system until they choose to exit, i.e., they can do more than activity while they are there. If the user enters an integer outside the range of valid menu choices, or enters an invalid data type, tell them they have made an error and make them try again.

4 Graphical Output Draw rectangles corresponding to the number of rectangles the user has requested (5 on the left example; 20 on the right). Then draw the sine wave (x domain 0 <= x <=) so it is clearly visible. Drawing Panel File Yew Help 5 User Interface Display this menu: Sine Wave Menu x Drawing Pa File View Help 1. Find y value for specified radians x Estimate area for 0 <= x <= PI 2. 3. Draw curve with area estimation rectangles 0. EXIT the program Enter your choice: Keep the user within the menu system until they choose to exit, i.e., they can do more than activity while they are there. If the user enters an integer outside the range of valid menu choices, or enters an invalid data type, tell them they have made an error and make them try again.

Database System Concepts
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
Section: Chapter Questions
Problem 1PE
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( JAVA PLEASE. I will rate you good) Create three separate classes, one that deals with the user, one that does the math computations, and 
one that draws. 

SineCalc (does calculations)

SineDraw (does drawing)

SineUI (handles user communication) 

4 Graphical Output Draw rectangles corresponding to the number of rectangles the user has requested (5 on the left example; 20 on the right). Then draw the sine wave (x domain 0 <= x <= π) so it is clearly visible. Drawing Panel File View Help [x=349, y=0), r=0 g=0b=255 5 User Interface Display this menu: Sine Wave Menu Drawing Panel File View Help M X x=601, y=7), r=255 g=255b=255 1. Find y value for specified radians x Estimate area for 0 <= x <= PI 2. 3. Draw curve with area estimation rectangles 0. EXIT the program Enter your choice: X Keep the user within the menu system until they choose to exit, i.e., they can do more than activity while they are there. If the user enters an integer outside the range of valid menu choices, or enters an invalid data type, tell them they have made an error and make them try again. Here are more details about the menu choices: 0. Exits gracefully, not artificially, from the program (i.e., a loop should end, you should not forcibly terminate the program or break out of the loop). 1. Allows user to enter a double x value (no range limitation), then calculates and displays a nicely labeled result showing 4 digits after the decimal point. 2. Asks the user for the number of rectangles to use, an integer in the range 1 to 500. Estimates the area under the curve with that number of rectangles and displays the result (again, with 4 digits after the decimal point). 3. Asks the user for the number of rectangles to use, an integer in the range 1 to 500. Draws the sine curve on a drawing panel that is 628x200 pixels (understand why?), also drawing number of filled rectangles requested by the user. Draw the curve after the rectangles so it is clearly visible.
Transcribed Image Text:4 Graphical Output Draw rectangles corresponding to the number of rectangles the user has requested (5 on the left example; 20 on the right). Then draw the sine wave (x domain 0 <= x <= π) so it is clearly visible. Drawing Panel File View Help [x=349, y=0), r=0 g=0b=255 5 User Interface Display this menu: Sine Wave Menu Drawing Panel File View Help M X x=601, y=7), r=255 g=255b=255 1. Find y value for specified radians x Estimate area for 0 <= x <= PI 2. 3. Draw curve with area estimation rectangles 0. EXIT the program Enter your choice: X Keep the user within the menu system until they choose to exit, i.e., they can do more than activity while they are there. If the user enters an integer outside the range of valid menu choices, or enters an invalid data type, tell them they have made an error and make them try again. Here are more details about the menu choices: 0. Exits gracefully, not artificially, from the program (i.e., a loop should end, you should not forcibly terminate the program or break out of the loop). 1. Allows user to enter a double x value (no range limitation), then calculates and displays a nicely labeled result showing 4 digits after the decimal point. 2. Asks the user for the number of rectangles to use, an integer in the range 1 to 500. Estimates the area under the curve with that number of rectangles and displays the result (again, with 4 digits after the decimal point). 3. Asks the user for the number of rectangles to use, an integer in the range 1 to 500. Draws the sine curve on a drawing panel that is 628x200 pixels (understand why?), also drawing number of filled rectangles requested by the user. Draw the curve after the rectangles so it is clearly visible.
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