Introduction to Java Programming and Data Structures, Comprehensive Version, Student Value Edition (11th Edition)
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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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[5 marks] Give a recursive definition for the language anb2n where n = 1, 2, 3, ... over the alphabet Ó={a, b}. 2) [12 marks] Consider the following languages over the alphabet ƒ={a ,b}, (i) The language of all words that begin and end an a (ii) The language where every a in a word is immediately followed by at least one b. (a) Express each as a Regular Expression (b) Draw an FA for each language (c) For Language (i), draw a TG using at most 3 states (d) For Language (ii), construct a CFG.

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

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