Introduction to Java Programming and Data Structures  Comprehensive Version (11th Edition)
Introduction to Java Programming and Data Structures Comprehensive Version (11th Edition)
11th Edition
ISBN: 9780134700144
Author: Liang
Publisher: PEARSON
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Chapter 22, Problem 22.18PE

(Binary search animation) Write a program that animates the binary search algorithm. Create an array with numbers from 1 to 20 in this order. The array elements are displayed in a histogram, as shown in Figure 22.13. You need to enter a search key in the text field. Clicking the Step button causes the program to perform one comparison in the algorithm. Use a light-gray color to paint the bars for the numbers in the current search range, and use a black color to paint the bar indicating the middle number in the search range. The Step button also freezes the text field to prevent its value from being changed. When the algorithm is finished, display the status in a label at the top of a border pane. Clicking the Reset button enables a new search to start. This button also makes the text field editable.

FIGURE 22.13 The program animates a binary search. Source: Copyright © 1995–2016 Oracle and/or its affiliates. All rights reserved. Used with permission.

Chapter 22, Problem 22.18PE, (Binary search animation) Write a program that animates the binary search algorithm. Create an array

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