Key stroke enacted moving of a ball 1. Start (a) Write a Java program that uses the Up, ↑, Down ↓, Right ⇒ (and possibly Left) arrows of the keyboard (or keypad) to move a ball. (note the Up arrow is called "Up" with ASCII code 38, Down arrow is called "Down" with ASCII code 40, Right arrow is called "Right" with ASCII code. You can also use the 4 keys, commonly used in ODS game programming. Start Pond Figure 1. Initially Pond End End Start Pond Start Figure 2. After 3 moves up using up arrow End Pond End Figure 3. 3 moves later with right arrows Figure 4. Finally one at the lower right corner. (b) Using Java class JFrame to draw a grid of 5 horizontal lines, 5 vertical lines, a blue pond in the middle occupying 5 squares with a text Pond in the middle, a ball at the lower left corner, and texts called Start and End. This is shown exactly as in Figure 1 here. Change the color of ball from green to another color.

Key stroke enacted moving of a ball 1. Start (a) Write a Java program that uses the Up, ↑, Down ↓, Right ⇒ (and possibly Left) arrows of the keyboard (or keypad) to move a ball. (note the Up arrow is called "Up" with ASCII code 38, Down arrow is called "Down" with ASCII code 40, Right arrow is called "Right" with ASCII code. You can also use the 4 keys, commonly used in ODS game programming. Start Pond Figure 1. Initially Pond End End Start Pond Start Figure 2. After 3 moves up using up arrow End Pond End Figure 3. 3 moves later with right arrows Figure 4. Finally one at the lower right corner. (b) Using Java class JFrame to draw a grid of 5 horizontal lines, 5 vertical lines, a blue pond in the middle occupying 5 squares with a text Pond in the middle, a ball at the lower left corner, and texts called Start and End. This is shown exactly as in Figure 1 here. Change the color of ball from green to another color.

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Key stroke enacted moving of a ball
1.
Start
(a) Write a Java program that uses the Up, ↑, Down ↓, Right → (and possibly Left) arrows of the
keyboard (or keypad) to move a ball. (note the Up arrow is called “Up" with ASCII code 38, Down
arrow is called "Down" with ASCII code 40, Right arrow is called "Right" with ASCII code. You can
also use the 4 keys, commonly used in ODS game programming.
Start
Pond
Figure 1. Initially
Pond
End
End
Start
Pond
Start
Figure 2. After 3 moves up using up arrow
End
Pond
End
Figure 3. 3 moves later with right arrows Figure 4. Finally one at the lower right corner.
(b) Using Java class JFrame to draw a grid of 5 horizontal lines, 5 vertical lines, a blue pond in the middle
occupying 5 squares with a text Pond in the middle, a ball at the lower left corner, and texts called
Start and End. This is shown exactly as in Figure 1 here. Change the color of ball from green to
another color.

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