2025 - Noel Kamphoa

Java 8 New Features

Explore Java 8 features like lambdas, streams, default methods, java.time, and new collection utilities with examples and JEP links.

Discover Java 11 features like HTTP Client, var in lambdas, new String methods, and file I/O updates with code and JEP links.

Explore new features in Java 17 like sealed classes and pattern matching with code examples, preview setup tips, and Maven config help.

Learn how to enable preview features in Java using the command line, IntelliJ IDEA, and Maven. Includes setup tips and best practices.

Learn how to use Java’s var keyword with local variable type inference—best practices, pitfalls, and examples for cleaner, concise code.

Learn how to use the enum type in Java effectively with examples on declaration, constructors, interfaces, and switch expressions

Understand the concept of class and object in Java. Learn how to define classes and create objects with practical examples

Learn how to format messages in Java using MessageFormat, ChoiceFormat, and ResourceBundle for dynamic and localized text handling.

Learn how to format numbers in Java using NumberFormat and DecimalFormat, including currency, percentages, and custom symbols.

Learn how to use the Locale class in Java to manage language, region, and cultural settings for seamless internationalization and localization