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: 9780134670942
Author: Y. Daniel Liang
Publisher: PEARSON
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Chapter 22, Problem 22.25PE

(Game: Sudoku) Revise Programming Exercise 22.21 to display all solutions for the Sudoku game, as shown in Figure 22.17a. When you click the Solve button, the program stores all solutions in an ArrayList. Each element in the list is a two-dimensional 9-by-9 grid. If the program has multiple solutions, the Next button appears as shown in Figure 22.17b. You can click the Next button to display the next solution and also add a label to show the solution count. When the Clear button is clicked, the cells are cleared and the Next button is hidden as shown in Figure 22.17c.

FIGURE 22.17 The program can display multiple Sudoku solutions. Source: Copyright © 1995–2016 Oracle and/or its affiliates. All rights reserved. Used with permission.

Chapter 22, Problem 22.25PE, (Game: Sudoku) Revise Programming Exercise 22.21 to display all solutions for the Sudoku game, as

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In java  Develop a function that accepts an array and returns true if the array contains any duplicate values or false if none of the values are repeated. Develop a function that returns true if the elements are in decreasing order and false otherwise.  A “peak” is a value in an array that is preceded and followed by a strictly lower value. For example, in the array {2, 12, 9, 8, 5, 7, 3, 9} the values 12 and 7 are peaks. Develop a function that returns the number of peaks in an array of integers. Note that the first element does not have a preceding element and the last element is not followed by anything, so neither the first nor last elements can be peaks.  Develop a function that finds the starting index of the longest subsequence of values that is strictly increasing. For example, given the array {12, 3, 7, 5, 9, 8, 1, 4, 6}, the function would return 6, since the subsequence {1, 4, 6} is the longest that is strictly increasing.  Develop a function that takes a string…

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

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