Welcome to Java Lesson Notes!

I will be posting here the notes used to teach in our Java class. Please feel free to check on them to refresh yourself!

Common Problems

You might not able to see the code and the terminal at the same time. Something like this:

Small Screen sizes can only show one thing.

If you can only see the code or the terminal instead of seeying both of them at the same time

To fix this:

Click on the "Yello/Blue/Green Balls" Icon

OR

Toggle between the code and the terminal (Run/Result).

Code Edit Mode

Run Mode

Intermediate (Effective Java)

• Static Factories and Builders — Chapter 2, Items 1–5
• Objects, Leaks, and try-with-resources — Chapter 2, Items 6–9
• equals, hashCode, and Comparable — Chapter 3, Items 10–14
• Classes and Interfaces — Chapter 4, Items 15–20
• Interfaces and Nested Classes — Chapter 4, Items 21–25
• Generics — Chapter 5, Items 26–29
• Wildcards and Type Tokens — Chapter 5, Items 30–33
• Enums — Chapter 6, Items 34–37
• Extensible Enums and Annotations — Chapter 6, Items 38–41
• Lambdas and Method References — Chapter 7, Items 42–44
• Streams — Chapter 7, Items 45–48
• Method Design — Chapter 8, Items 49–52
• Varargs, Returns, and Documentation — Chapter 8, Items 53–56
• Scope, Loops, and Types — Chapter 9, Items 57–62
• Performance, Reflection, and Style — Chapter 9, Items 63–68
• Exceptions — Chapter 10, Items 69–73
• Exception Documentation and Handling — Chapter 10, Items 74–77
• Concurrency — Chapter 11, Items 78–81
• Thread Safety and Lazy Init — Chapter 11, Items 82–84
• Serialization — Chapter 12, Items 85–87
• Safe Deserialization — Chapter 12, Items 88–90