EBK JAVA PROGRAMMING
9th Edition
ISBN: 9781337671385
Author: FARRELL
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 5, Problem 5PE
a.
Program Plan Intro
Display a specified message for the entered date
Program plan:
- Import necessary package.
- Create a class “PastPresentFuture”,
- Define the method “main ()”,
- Declare the necessary variables.
- Create an object for “LocalDate” class.
- Create “Scanner” object.
- Assign the month value returned from the method “getMonthValue()”.
- Assign the day value returned from the method “getDayOfMonth()”.
- Assign the month value returned from the method “getYear()”.
- Prompt the user to enter the month, day, and year.
- Get the month, day and year from the user.
- Check whether the year is a today’s year,
- If it is true, print the related message.
- Otherwise, check whether the month is today’s month,
- If it is true, print the related message.
- Otherwise, check whether the day is same as today,
- If it is true, print the related message.
- Otherwise, print the month related message.
- Define the method “main ()”,
b.
Program Plan Intro
Display a specified message for the entered date
Program plan:
- Import necessary package.
- Create a class “PastPresentFuture2”,
- Define the method “main ()”,
- Declare the necessary variables.
- Create an object for “LocalDate” class.
- Create another instance variable for “LocalDate” class.
- Create “Scanner” object.
- Assign the month value returned from the method “getMonthValue()”.
- Assign the day value returned from the method “getDayOfMonth()”.
- Assign the month value returned from the method “getYear()”.
- Prompt the user to enter the month, day, and year.
- Get the month, day and year from the user.
- Assign the values in a date format.
- Check whether the entered date is a past date,
- If it is true, print the related message that indicates the past date.
- Otherwise, check whether the date is the current date,
- If it is true, print the related message that indicates the current date.
- Otherwise, print the month related message that indicates the future date.
- Define the method “main ()”,
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Given the following Extended-BNF grammar of the basic mathematical expressions:
Show the derivation steps for the expression: ( 2 + 3 ) * 6 – 20 / ( 3 + 1 )
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Whentheuserenters!!,themostrecentcommandinthehistoryisexecuted.In the example above, if the user entered the command:
Osh> !!
The ‘ls -l’ command should be executed and echoed on user’s screen. The command should also be placed in the history buffer as the next command.
Whentheuserentersasingle!followedbyanintegerN,theNthcommandin the history is executed. In the example above, if the user entered the command:
Osh> ! 3
The ‘ps’ command should be executed and echoed on the user’s screen. The command should also be placed in the history buffer as the next command.
Error handling:
The program should also manage basic error handling. For example, if there are no commands in the history, entering !! should result in a message “No commands in history.” Also, if there is no command corresponding to the number entered with the single !, the program should output "No such command in history."
Activity No.
Activity
Time (weeks)
Immediate Predecessors
1
Requirements collection
3
2
Requirements structuring
4
1
3
Process analysis
3
2
4
Data analysis
3
2
5
Logical design
50
3,4
6
Physical design
5
5
7
Implementation
6
6
c. Using the information from part b, prepare a network diagram. Identify the critical path.
Chapter 5 Solutions
EBK JAVA PROGRAMMING
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - Prob. 20RQCh. 5 - Prob. 1PECh. 5 - Prob. 2PECh. 5 - Prob. 3PECh. 5 - Prob. 4PECh. 5 - Prob. 5PECh. 5 - Prob. 6PECh. 5 - Prob. 7PECh. 5 - Prob. 8PECh. 5 - Prob. 9PECh. 5 - Prob. 10PECh. 5 - Prob. 1GZCh. 5 - Prob. 2GZCh. 5 - Prob. 3GZCh. 5 - Prob. 4GZCh. 5 - Prob. 5GZ
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