Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)

11th Edition

ISBN: 9780134670942

Author: Y. Daniel Liang

Publisher: PEARSON

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Textbook Question

Chapter 15, Problem 15.21PE

(Drag points) Draw a circle with three random points on the circle. Connect the points to form a triangle. Display the angles in the triangle. Use the mouse to drag a point along the perimeter of the circle. As you drag it, the triangle and angles are redisplayed dynamically, as shown in Figure 15.32b. For computing angles in a triangle, see Listing 4.1.

Chapter 15, Problem 15.21PE, (Drag points) Draw a circle with three random points on the circle. Connect the points to form a

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Chapter 15 Solutions

Introduction to Java Programming and Data Structures, Comprehensive Version (11th Edition)

Ch. 15.2 - Prob. 15.2.1CP Ch. 15.2 - Prob. 15.2.2CP Ch. 15.3 - Why must a handler be an instance of an...Ch. 15.3 - Explain how to register a handler object and how...Ch. 15.3 - Prob. 15.3.3CP Ch. 15.3 - What is the registration method for a button to...Ch. 15.4 - Can an inner class be used in a class other than...Ch. 15.4 - Can the modifiers public, protected, private, and...Ch. 15.5 - Prob. 15.5.1CP Ch. 15.5 - What is wrong in the following code?

Ch. 15.6 - Prob. 15.6.1CP Ch. 15.6 - What is a functional interface? Why is a...Ch. 15.6 - Prob. 15.6.3CP Ch. 15.8 - Prob. 15.8.1CP Ch. 15.8 - Prob. 15.8.2CP Ch. 15.9 - Prob. 15.9.1CP Ch. 15.9 - Prob. 15.9.2CP Ch. 15.9 - Prob. 15.9.3CP Ch. 15.9 - If the following code is inserted in line 57 in...Ch. 15.10 - Prob. 15.10.1CP Ch. 15.11 - Prob. 15.11.1CP Ch. 15.11 - Prob. 15.11.2CP Ch. 15.11 - Prob. 15.11.3CP Ch. 15.11 - Prob. 15.11.4CP Ch. 15.12 - How does the program make the ball appear to be...Ch. 15.12 - How does the code in Listing 15.17, BallPane.java,...Ch. 15.12 - What does the program do when the mouse is pressed...Ch. 15.12 - If line 32 in Listing 15.18, BounceBall.java, is...Ch. 15.12 - Prob. 15.12.5CP Ch. 15.13 - Prob. 15.13.1CP Ch. 15.13 - What would happen if map is replaced by scene in...Ch. 15.13 - Prob. 15.13.3CP Ch. 15 - Prob. 15.1PE Ch. 15 - (Rotate a rectangle) Write a program that rotates...Ch. 15 - (Move the ball) Write a program that moves the...Ch. 15 - (Create a simple calculator) Write a program to...Ch. 15 - (Create an investment-value calculator) Write a...Ch. 15 - (Alternate two messages) Write a program to...Ch. 15 - (Change color using a mouse) Write a program that...Ch. 15 - (Display the mouse position) Write two programs,...Ch. 15 - (Draw lines using the arrow keys) Write a program...Ch. 15 - (Enter and display a string) Write a program that...Ch. 15 - (Move a circle using keys) Write a program that...Ch. 15 - Prob. 15.12PE Ch. 15 - (Geometry: inside a rectangle?) Write a program...Ch. 15 - Prob. 15.14PE Ch. 15 - Prob. 15.15PE Ch. 15 - (Two movable vertices and their distances) Write a...Ch. 15 - (Geometry: find the bounding rectangle) Write a...Ch. 15 - Prob. 15.18PE Ch. 15 - (Game: eyehand coordination) Write a program that...Ch. 15 - Prob. 15.20PE Ch. 15 - (Drag points) Draw a circle with three random...Ch. 15 - (Auto resize cylinder) Rewrite Programming...Ch. 15 - Prob. 15.23PE Ch. 15 - Prob. 15.24PE Ch. 15 - Prob. 15.25PE Ch. 15 - Prob. 15.26PE Ch. 15 - Prob. 15.27PE Ch. 15 - (Display a running fan) Write a program that...Ch. 15 - (Racing car) Write a program that simulates car...Ch. 15 - Prob. 15.30PE Ch. 15 - Prob. 15.31PE Ch. 15 - (Control a clock) Modify Listing 14.21,...Ch. 15 - (Game: bean-machine animation) Write a program...Ch. 15 - Prob. 15.34PE Ch. 15 - Prob. 15.35PE Ch. 15 - Prob. 15.36PE

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