Java Programming

9.

Modern Java Features (Java 8 and beyond)

9.1.

Lambda Expressions

9.1.1.

Syntax and Structure

9.1.2.

Functional Interfaces and Lambdas

9.1.3.

Scope and Variable Capture

9.1.4.

Method References

9.2.

9.2.1.

Creating Streams

9.2.1.1.

From Collections

9.2.1.2.

9.2.1.3.

Stream Builders

9.2.2.

Intermediate Operations

9.2.2.1.

9.2.2.2.

9.2.2.3.

9.2.2.4.

9.2.2.5.

9.2.2.6.

9.2.2.7.

9.2.3.

Terminal Operations

9.2.3.1.

9.2.3.2.

9.2.3.3.

9.2.3.4.

9.2.3.5.

9.2.3.6.

anyMatch, allMatch, noneMatch

9.2.3.7.

findFirst and findAny

9.2.4.

Parallel Streams

9.2.4.1.

Parallel Processing

9.2.4.2.

Performance Considerations

9.2.5.

9.2.5.1.

Built-in Collectors

9.2.5.2.

Custom Collectors

9.3.

The Optional Class

9.3.1.

Purpose and Usage

9.3.2.

Avoiding NullPointerException

9.3.3.

9.3.3.1.

9.3.3.2.

9.3.3.3.

9.3.3.4.

9.3.3.5.

9.4.

New Date and Time API (java.time)

9.4.1.

9.4.2.

9.4.3.

9.4.4.

9.4.5.

9.4.6.

Period and Duration

9.4.7.

Formatting and Parsing Dates

9.4.8.

9.5.

Interface Enhancements

9.5.1.

Default Methods

9.5.2.

9.6.

Other Notable Features

9.6.1.

var for Local-Variable Type Inference

9.6.2.

Switch Expressions

9.6.3.

9.6.4.

9.6.4.1.

Immutable Data Classes

9.6.5.

9.6.5.1.

Restricting Class Hierarchies

9.6.6.

Pattern Matching

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10. Java Virtual Machine (JVM) Internals