Basics

• The Optional Type

OOP

• Record

Collections

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Stream

• Introduction to Stream
• Creating Streams
• filter, map, and flatMap
• Transform, Combine, and Reduce Data
• Convert Optional Values into Streams
• Collecting Results from a Stream
• Collecting Stream Elements into Maps
• Grouping and Partitioning
• Downstream Collectors in Streams
• Reduction

Concurrency

• Thread
• Thread States
• Virtual Thread Part 1
• Virtual Thread Part 2
• Thread Interruption
• Daemon Thread & Thread Name & ID
• Handling Uncaught Exceptions
• How Thread Priorities Work
• Creating Thread with Factory/Builder
• Callables and Futures

Annotations

• Introduction to Annotations
• Declaring an Annotation
• Annotations in the Java API
• Using Annotations at Runtime
• Source-Level Annotation Processing

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Advanced Topics

• Serialization and Customization Methods

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Data Structures

• Introduction
• Arrays

Algorithms

• Bubble Sort

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