java-advanced

Java Advanced Features

This module covers advanced Java features and modern programming paradigms.

Topics Covered

• Lambda Expressions

  • Functional interfaces
  • Lambda syntax
  • Method references
  • Constructor references

• Stream API

  • Stream creation
  • Intermediate operations (map, filter, flatMap)
  • Terminal operations (collect, reduce, forEach)
  • Parallel streams

• Functional Programming

  • Predicate, Function, Consumer, Supplier
  • Function composition
  • Functional programming patterns

• Optional Class

  • Creating Optional instances
  • Optional methods
  • Avoiding null pointer exceptions

• Date and Time API

  • LocalDate, LocalTime, LocalDateTime
  • ZonedDateTime
  • Period and Duration
  • Formatting and parsing

• Generics

  • Generic classes and methods
  • Bounded type parameters
  • Wildcards
  • Type erasure

• Annotations

  • Built-in annotations
  • Custom annotations
  • Annotation processing

• Modern Java Features

  • Records (Java 14+)
  • Sealed classes (Java 17+)
  • Pattern matching
  • Text blocks
  • var keyword

How to Use

Explore modern Java features with practical examples and real-world use cases.

Building

mvn clean install

Running Tests

mvn test