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Copyright © 2012 Pearson Education, Inc.
Chapter 3Planning Your Solution
Problem Solving and Programming Concepts
9th Edition
By Maureen Sprankle and Jim Hubbard
Copyright © 2012 Pearson Education, Inc. 0-2
Overview
• Communicating with the Computer• Organizing the Solution• Introduction to UML• Using the Tools• Testing the Solution• Coding the Solution• Software Development Cycle
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Good Quote
Computers are only as good as their hardware, their software, and the people
using them!
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Analyzing the Problem
Understand requirements:
1.The given data
2.The required results
3.The processing that is required in the problem
4.A list of solution alternatives
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Figure 3.9 Flowchart Symbols
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Figure 3.9 Flowchart Symbols
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Figure 3.9 Flowchart Symbols
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Figure 3.9 Flowchart Symbols
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Figure 3.10 The Algorithms and Flowcharts for the Payroll Problem
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Figure 3.10 The Algorithms and Flowcharts for the Payroll Problem
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Figure 3.10 The Algorithms and Flowcharts for the Payroll Problem
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Figure 3.10 The Algorithms and Flowcharts for the Payroll Problem
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Figure 3.11 Order of Execution of Instructions
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Software Development Cycle
1. Analysis
2. Design
3. Development
4. Implementation
5. Maintenance and review
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Analyzing the Problem
Understand requirements:
1.The given data
2.The required results
3.The processing that is required in the problem
4.A list of solution alternatives
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Figure 3.1 Problem Analysis Chart
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Figure 3.2 Problem Analysis Chart for the Payroll Problem
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Figure 3.3 The Interactivity Chart
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Figure 3.5 The Interactivity Chart for the Payroll Problem
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Figure 3.6 The IPO(input-processing-output) Chart
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Figure 3.7 The IPO Chart for the Payroll Problem
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Figure 3.13 Use Case Diagram
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Figure 3.14 Use Case Diagram
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Figure 3.15 Class Diagram of Books Class
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Figure 3.16 Sequence Diagram
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Figure 3.17 Sequence Diagram for Starting and Turning Off a Car Engine
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Figure 3.18 Statechart Diagram
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Figure 3.19 Activity Diagram
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