20172320 "Java Programming" course pair programming exercises _ Arithmetic first-week phase summary

Pair Partner

• Study No.: 20172317 20172327
• Name: Shing Marian
• Partner First week blog address:
• Role: Driver: Shing
  Co-pilot: Li Shu Marian

Demand analysis

• Automatically generate arithmetic topics
• Supports integers, true fractions
• Support for the use of multiple operators and parentheses
• Can judge right and wrong and statistic correct rate
• The title cannot be repeated

Design ideas

• UML Class Diagram
• Generate 3 classes of topics of varying difficulty
• Create a class that generates a true fraction
• Implement infix expression to postfix expression
• Calculation of automatically generated topics with postfix expression operations
• To create a test class

Part of the Code

The class that generated the topic

Difficulty One

Difficulty two

Difficulty three

Class for generating fractions

PSP Time Statistics:

PSP2.1	Personal software Process Stages	Estimated time-consuming (minutes)	actual time elapsed (minutes)
Planning	Plan	60	60
Estimate	Estimate how long this task will take	100	100
Development	Development	800
Analysis	Demand analysis (including learning new technologies)	100
Coding Standard	Code specification (to develop appropriate specifications for current development)	30
Design UML	Design Project UML class diagram	50
Coding	Specific code	30
Code Review	Code review	50
Test	Test (self-test, modify code, commit changes)	30
Size Measurement	Calculation effort (actual time)	30
Postmortem & Process Improvement Plan	Summarize afterwards and propose process improvement plan	30
	Total	1240

20172320 "Java Programming" course pair programming exercises _ Arithmetic first-week phase summary