BIG JAVA: LATE OBJECTS
2nd Edition
ISBN: 9781119626220
Author: Horstmann
Publisher: WILEY
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Chapter 7, Problem 6PE
Program Plan Intro
Calculate the average of 2 columns
Program plan:
Filename: “AverageColumns.java”
- Include the required header files.
- Define the “AverageColumns” class
- Define the main method.
- Create an object for “Scanner” class.
- Get the input file name from the user.
- In “try” block, declare an object for “Scanner” class and pass the file name.
- Declare the required variables with the values.
- Check the file has any content
- Calculate the “sum1” and “sum2”
- Increment the value
- Display the average of column 1 and column 2.
- In “catch” block, throw a “FileNotFoundException”.
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I need help creating the network diagram and then revising it for the modified activity times.
Activity No.
Activity
Time (weeks)
Immediate Predecessors
1
Requirements collection
3
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Requirements structuring
4
1
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Process analysis
3
2
4
Data analysis
3
2
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Logical design
50
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Physical design
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Implementation
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c. Using the information from part b, prepare a network diagram. Identify the critical path.
Given the following Extended-BNF grammar of the basic mathematical expressions:
Show the derivation steps for the expression: ( 2 + 3 ) * 6 – 20 / ( 3 + 1 )
Draw the parsing tree of this expression.
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Chapter 7 Solutions
BIG JAVA: LATE OBJECTS
Ch. 7.1 - Prob. 1SCCh. 7.1 - Prob. 2SCCh. 7.1 - Prob. 3SCCh. 7.1 - Prob. 4SCCh. 7.1 - Prob. 5SCCh. 7.2 - Prob. 6SCCh. 7.2 - Prob. 7SCCh. 7.2 - Prob. 8SCCh. 7.2 - Prob. 9SCCh. 7.2 - Prob. 10SC
Ch. 7.3 - Prob. 11SCCh. 7.3 - Prob. 12SCCh. 7.3 - Prob. 13SCCh. 7.3 - Prob. 14SCCh. 7.3 - Prob. 15SCCh. 7.4 - Prob. 16SCCh. 7.4 - Prob. 17SCCh. 7.4 - Prob. 18SCCh. 7.4 - Prob. 19SCCh. 7.4 - Prob. 20SCCh. 7.4 - Prob. 21SCCh. 7.5 - Prob. 22SCCh. 7.5 - Prob. 23SCCh. 7.5 - Prob. 24SCCh. 7.5 - Prob. 25SCCh. 7.5 - Prob. 26SCCh. 7 - Prob. 1RECh. 7 - Prob. 2RECh. 7 - Prob. 3RECh. 7 - Prob. 4RECh. 7 - Prob. 5RECh. 7 - Prob. 6RECh. 7 - Prob. 7RECh. 7 - Prob. 8RECh. 7 - Prob. 9RECh. 7 - Prob. 10RECh. 7 - Prob. 11RECh. 7 - Prob. 12RECh. 7 - Prob. 13RECh. 7 - Prob. 14RECh. 7 - Prob. 15RECh. 7 - Prob. 16RECh. 7 - Prob. 17RECh. 7 - Prob. 18RECh. 7 - Prob. 1PECh. 7 - Prob. 2PECh. 7 - Prob. 3PECh. 7 - Prob. 4PECh. 7 - Prob. 5PECh. 7 - Prob. 6PECh. 7 - Prob. 7PECh. 7 - Prob. 8PECh. 7 - Prob. 9PECh. 7 - Prob. 10PECh. 7 - Prob. 11PECh. 7 - Prob. 12PECh. 7 - Prob. 1PPCh. 7 - Prob. 2PPCh. 7 - Prob. 3PPCh. 7 - Prob. 4PPCh. 7 - Prob. 5PPCh. 7 - Prob. 6PPCh. 7 - Prob. 7PPCh. 7 - Prob. 8PPCh. 7 - Prob. 9PPCh. 7 - Prob. 10PPCh. 7 - Prob. 11PPCh. 7 - Prob. 12PPCh. 7 - Prob. 13PP
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