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Topic: Nested For Loop
Task 24: Printing Number Pattern using Nested for Loop
Objective
Understand how nested for loops work by printing a structured number pattern.
Checklist
- [ ] Create a class ...
Topic: For Loop
Task 23: Printing Numbers using For Loop
Objective
Learn how to use a for loop to print numbers from 1 to 10 in a single line.
Checklist
- [ ] Create a class ForLoop
- [ ] Use ...
Severity: HIGH · surfaced operating belong-marketplace (autonomous campaign, 2026-06-24). Vendored surface:
hooks/git-guardrails.cjs (§68).
Problem
hooks/git-guardrails.cjs blocks git push --force(-with-lease) ...
Topic: Nested While Loop
Task 22: Printing Number Pattern using Nested while Loop
Objective
Understand how nested while loops work by printing a structured number pattern.
Checklist
- [ ] Create ...
背景
项目已经具备自主选课、Redis 抢课、退课、已选课程查询和压测报告。下一步不应只强调“用了 Redis”,而应补足教务规则与一致性证明,让选课模块更像真实高校选课系统。
目标
1. 增强选课业务规则。
2. 增加 Redis 与数据库库存一致性报告。
3. 将抢课压测结果转化为可解释的工程证据。
功能要求
1. 选课规则增强
- [ ] 同一学生不能重复选择同一课程或同一教学班。 ...
enhancement
Task 21: Printing Text Multiple Times using while Loop
Objective
Learn how to use a while loop to repeat and print text 15 times.
Checklist
- [ ] Create a class WhileLoopText
- [ ] Declare a variable ...
Topic: While Loop
Task 20: Printing Numbers using while Loop
Objective
Learn how to use a while loop to print numbers from 1 to 10.
Checklist
- [ ] Create a class WhileLoopNumbers
- [ ] Declare ...
Task 19: User Input using Scanner
Objective
Learn how to accept user input from the keyboard using the Scanner class and display the entered values.
Checklist
- [ ] Create a class UserInput
- [ ...
Task 18: Ternary Operator (Conditional Operator)
Objective
Understand how to use the ternary operator (? :) as a short form of ifΓÇôelse.
Checklist
- [ ] Declare an integer variable marks
- [ ] ...
Task 17: Names of Days (Switch Case)
Objective
Understand how to use switchΓÇôcase as an alternative to else-if for fixed values.
Checklist
- [ ] Declare an integer variable day
- [ ] Assign a ...

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