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EBK JAVA PROGRAMMING
9th Edition
ISBN: 9781337671385
Author: FARRELL
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Question
Chapter 13, Problem 8PE
a.
Program Plan Intro
Student progression
Program plan:
- Import necessary packages and create a class “StudentsStanding”,
- Define the method “main()”,
- Create “Scanner” object.
- Get both the file paths.
- Initialize required string and final variables.
- Set the cutoff value for grade point average.
- Execute “try” statement,
- Create output stream object.
- Create object for “BufferedWriter”.
- Create another output stream object.
- Create another object for “BufferedWriter”.
- Prompt the user to enter student id.
- Get the student id from the user.
- Execute “while” loop till the string is equal to “zzz”,
- Prompt the user to enter first name.
- Get the first name from the user.
- Prompt the user to enter last name.
- Get the last name from the user.
- Prompt the user to enter grade point average.
- Get the grade point average from the user.
- Concatenate the resultant string.
- Check if gpa is less than cutoff value,
-
- Write the data into the corresponding file.
- Otherwise,
-
- Write the data into another file.
- Prompt the user to enter the input.
- Get the input from the user.
- Close both the files.
- Catch if exception occurs,
- Handle the exception.
- Define the method “main()”,
b.
Program Plan Intro
Printing the details of student progression
Program plan:
- Import necessary packages and create a class “StudentsStanding2”,
- Define the method “main()”,
- Get both the file paths.
- Initialize required string variable.
- Execute “try” statement,
- Create input stream object.
- Create object for “BufferedReader”.
- Create another input stream object.
- Create another object for “BufferedReader”.
- Print heading.
- Read line from a file.
- Execute till there are records,
- Call the method “display()”.
- Read next line from a file.
- Print another heading.
- Read line from another file.
- Execute till there are records,
- Call the method “display()”.
- Read next line from a file.
- Close both the files.
- Catch if exception occurs,
- Handle the exception.
- Define the method “display()”,
- Create string array.
- Declare necessary variables.
- Set the cutoff value.
- Split the values using the delimiter “,”.
- Assign the value for string id.
- Assign the value for first name.
- Assign the value for last name.
- Assign the value for gpa.
- Print the resultant string to the console.
- Define the method “main()”,
Expert Solution & Answer
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Students have asked these similar questions
Write a complete Java program named FindSumAndAverage that performs the following tasks in 2-D array:
Main Method:
a. The main() method asks the user to provide the dimension n for a square matrix. A square matrix has an equal number of rows and columns.
b. The main() method receives the value of n and calls the matrixSetUp() method that creates a square matrix of size n and populates it randomly with integers between 1 and 9.
c. The main method then calls another method named printMatrix() to display the matrix in a matrix format.
d. The main method also calls a method named findSumAndAverage() which:
• Receives the generated matrix as input.
• Calculates the sum of all elements in the matrix.
• Calculates the average value of the elements in the matrix.
• Stores these values (sum and average) in a single-dimensional array and returns this array
• e. The main method prints the sum and average based on the result returned from findSumAndAverage()).
Enter the dimension n for the square…
The partial sums remain the same no matter what indexing we done to s
artial sum of each series
onverges,
*
+
s of each series to
the series or show
12. (1)+(0)+(0)+(+1)+
17,
" (F) + (F) + (F)(F)(-
18.
19. 1
#20.
(三)+(三)-(三)+(3)
20 (9)-(0)-(0)--
10
+1
2.1+(男)+(男)+(罰)+(鄂
9
T29
x222-끝+1-23 + -....
Repeating Decimals
64
Express each of the numbers in Exercises 23-30 as the m
integers.
23. 0.23 = 0.23 23 23...
24. 0.234 = 0.234 234 234.
25. 0.7 = 0.7777...
26. 0.d = 0.dddd...
where d is a digit
natio of own
s converges or
* 27. 0.06 = 0.06666..
28. 1.4141.414 414 414...
29. 1.24123 = 1.24 123 123 123...
30. 3.142857 = 3.142857 142857.
Using the ath-Term Test
In Exercises 31-38, use the ath-Term Test for divergence to show that
the series is divergent, or state that the test is inconclusive
8
CPS 2231 Computer Programming
Homework #3
Due Date: Posted on Canvas
1. Provide answers to the following Check Point Questions from our textbook (5 points):
a. How do you define a class? How do you define a class in Eclipse?
b. How do you declare an object's reference variable (Hint: object's reference variable
is the name of that object)?
c. How do you create an object?
d. What are the differences between constructors and regular methods?
e. Explain why we need classes and objects in Java programming.
2. Write the Account class. The UML diagram of the class is represented below (10 points):
Account
id: int = 0
- balance: double = 0
- annualInterestRate: double = 0.02
- dateCreated: java.util.Date
+ Account()
+
Account(id: int, balance: double)
+ getId(): int
+ setId(newId: int): void
+ getBalance(): double
+ setBalance(newBalance: double): void
+
getAnnualInterestRate(): double
+ setAnnualInterest Rate (newRate: double): void
+ toString(): String
+ getDataCreated(): java.util.Date
+…
Chapter 13 Solutions
EBK JAVA PROGRAMMING
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