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Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
4th Edition
ISBN: 9780134787961
Author: Tony Gaddis, Godfrey Muganda
Publisher: PEARSON
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Question
Chapter 7, Problem 20PC
Program Plan Intro
Lo Shu Magic Square
Program Plan:
- Import the required packages.
- Declare the class “Main”.
- Declare the “main ()” method.
- Declare two 2-Dimensional arrays.
- Call the function “show_Array ()” to display the array.
- Call the function “show_Result ()” to display the result.
- Give function definition for “show_Result ()”.
- Check if the square is a magic square by calling the function “isMagicSquare ()”.
- If yes, then print the positive message.
- Else,
- Print the negative message.
- Check if the square is a magic square by calling the function “isMagicSquare ()”.
- Give function definition for “show_Array ()” to display the array.
- Using nested “for” loops, print the values of the array.
- Give function definition for “isMagicSquare ()”.
- Declare a Boolean variable.
- Call the function “check_Range ()”, “checkUnique ()”, “checkRowSum ()”, “check_ColSum ()”, and “check_DiagSum ()”.
- Check the condition “is_InRange && is_Unique && is_EqualRows &&is_EqualCols && is_EqualDiag”.
- Assign “true” to the Boolean variable.
- Return the variable.
- Give function definition for “check_Range ()”.
- Declare required variables.
- Using nested “for” loops, check the condition “array[row][col] < MIN || array[row][col] > MAX”.
- Assign “false” to the Boolean variable.
- Return the variable.
- Give function definition for “check_Unique ()”.
- Declare required variables.
- Using the while condition “searchValue <= MAX && status == true”.
- Using nested “for” loops,
- Check the condition “array[row][col] == searchValue”,
- Increment the counter variable.
- Check if count value is greater than 1.
- Assign “false” to the Boolean variable.
- Check the condition “array[row][col] == searchValue”,
- Increment the variable “searchValue”.
- Assign 0 to the counter variable.
- Using nested “for” loops,
- Return the status.
- Give function definition for “check_RowSum ()”.
- Declare a variable.
- Calculate the sum of 1st row, 2nd row and 3rd row.
- Check if all the values are not equal to each other.
- Assign “false” to the Boolean variable.
- Return the variable.
- Give function definition for “check_ColSum ()”.
- Declare a variable.
- Calculate the sum of 1st column, 2nd column and 3rd column.
- Check if all the values are not equal to each other.
- Assign “false” to the Boolean variable.
- Return the variable.
- Give function definition for “check_DiagSum ()”.
- Declare a variable.
- Calculate the sum of 1st diagonal, and 2nd diagonal.
- Check if all the values are not equal to each other.
- Assign “false” to the Boolean variable.
- Return the variable.
- Declare the “main ()” method.
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Chapter 7 Solutions
Starting Out with Java: From Control Structures through Data Structures (4th Edition) (What's New in Computer Science)
Ch. 7.1 - Write statements that create the following arrays:...Ch. 7.1 - Whats wrong with the following array declarations?...Ch. 7.1 - Prob. 7.3CPCh. 7.1 - Prob. 7.4CPCh. 7.1 - Prob. 7.5CPCh. 7.1 - Prob. 7.6CPCh. 7.1 - Prob. 7.7CPCh. 7.1 - Prob. 7.8CPCh. 7.2 - Prob. 7.9CPCh. 7.2 - Prob. 7.10CP
Ch. 7.2 - A program has the following declaration: double[]...Ch. 7.2 - Look at the following statements: int[] a = { 1,...Ch. 7.3 - Prob. 7.13CPCh. 7.3 - Write a method named zero, which accepts an int...Ch. 7.6 - Prob. 7.15CPCh. 7.7 - Recall that we discussed a Rectangle class in...Ch. 7.10 - Prob. 7.17CPCh. 7.11 - What value in an array does the selection sort...Ch. 7.11 - How many times will the selection sort swap the...Ch. 7.11 - Prob. 7.20CPCh. 7.11 - Prob. 7.21CPCh. 7.11 - If a sequential search is performed on an array,...Ch. 7.13 - What import statement must you include in your...Ch. 7.13 - Write a statement that creates an ArrayList object...Ch. 7.13 - Write a statement that creates an ArrayList object...Ch. 7.13 - Prob. 7.26CPCh. 7.13 - Prob. 7.27CPCh. 7.13 - Prob. 7.28CPCh. 7.13 - Prob. 7.29CPCh. 7.13 - Prob. 7.30CPCh. 7.13 - Prob. 7.31CPCh. 7 - Prob. 1MCCh. 7 - Prob. 2MCCh. 7 - Prob. 3MCCh. 7 - Prob. 4MCCh. 7 - Array bounds checking happens. a. when the program...Ch. 7 - Prob. 6MCCh. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - Prob. 9MCCh. 7 - Prob. 10MCCh. 7 - Prob. 11MCCh. 7 - To delete an item from an ArrayList object, you...Ch. 7 - Prob. 13MCCh. 7 - Prob. 14TFCh. 7 - Prob. 15TFCh. 7 - Prob. 16TFCh. 7 - Prob. 17TFCh. 7 - Prob. 18TFCh. 7 - True or False: The Java compiler does not display...Ch. 7 - Prob. 20TFCh. 7 - True or False: The first size declarator in the...Ch. 7 - Prob. 22TFCh. 7 - Prob. 23TFCh. 7 - int[] collection = new int[-20];Ch. 7 - Prob. 2FTECh. 7 - Prob. 3FTECh. 7 - Prob. 4FTECh. 7 - Prob. 5FTECh. 7 - Prob. 1AWCh. 7 - Prob. 2AWCh. 7 - Prob. 3AWCh. 7 - In a program you need to store the populations of...Ch. 7 - In a program you need to store the identification...Ch. 7 - Prob. 6AWCh. 7 - Prob. 7AWCh. 7 - Prob. 8AWCh. 7 - Prob. 9AWCh. 7 - Prob. 10AWCh. 7 - Prob. 11AWCh. 7 - Prob. 1SACh. 7 - Prob. 2SACh. 7 - Prob. 3SACh. 7 - Prob. 4SACh. 7 - Prob. 5SACh. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Prob. 8SACh. 7 - Prob. 9SACh. 7 - Rainfall Class Write a RainFall class that stores...Ch. 7 - Payroll Class Write a Payroll class that uses the...Ch. 7 - Charge Account Validation Create a class with a...Ch. 7 - Charge Account Modification Modify the charge...Ch. 7 - Prob. 5PCCh. 7 - Drivers License Exam The local Drivers License...Ch. 7 - Magic 8 Ball Write a program that simulates a...Ch. 7 - Grade Book A teacher has five students who have...Ch. 7 - Grade Book Modification Modify the grade book...Ch. 7 - Average Steps Taken A Personal Fitness Tracker is...Ch. 7 - Array Operations Write a program with an array...Ch. 7 - 12.1994 Gas Prices In the student sample programs...Ch. 7 - Sorted List of 1994 Gas Prices Note: This...Ch. 7 - Name Search If you have downloaded this books...Ch. 7 - Population Data If you have downloaded this books...Ch. 7 - World Series Champions If you have downloaded this...Ch. 7 - 2D Array Operations Write a program that creates a...Ch. 7 - Prob. 18PCCh. 7 - Trivia Game In this programming challenge, you...Ch. 7 - Prob. 20PC
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