Lesson
Collections and Generics
Use ArrayList, HashMap, HashSet, iterators, and generic types.
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Suggested lesson structure
- Learning objectives
- Concept explanation
- Step-by-step instructions
- Java source-code example
- Screenshot of the output
- Common errors and troubleshooting
- Exercise or mini project
- Chapter summary
Sample Java code block
public class Example {
public static void main(String[] args) {
System.out.println("Replace this with the lesson example.");
}
}