Level 2: Intermediate (Object-Oriented Foundations) Archives

Generics

Learn Java Generics to write flexible, reusable code. Use type parameters with Collections and methods for type-safe programming

Learn functional programming in Java with lambdas and functional interfaces. Write cleaner, concise, and more expressive code.

Explore modern Java features from Java 8+. Learn lambdas, streams, modules, var, records, and more to write clean, modern code

Understand JVM internals and performance. Learn class loading, memory management, and garbage collection to optimize Java apps.

Get started with Java by setting up your environment. Install the JDK, configure IDEs, and learn the basics needed to begin coding

Learn Java’s basic syntax: variables, operators, and control flow. Build a strong foundation to write and understand simple programs.

Learn Java control flow with if-else, switch, loops, and conditions. Write programs that make decisions and repeat tasks effectively.

Learn Java arrays to store and manage multiple values. Understand indexing, iteration, and common pitfalls when working with arrays.

Discover Object-Oriented Programming in Java. Learn about classes, objects, and encapsulation to build reusable, structured code.

Learn the four pillars of OOP in Java. Understand encapsulation, inheritance, polymorphism, and abstraction with simple examples.

Dive into Java Strings. Explore immutability, StringBuilder, and StringBuffer to manage text efficiently and avoid common pitfalls.

Learn how packages organize Java code and explore the java.lang package with essential classes like Object, String, and Math

Learn Java exceptions and error handling. Use try-catch, finally, and throw to build reliable, resilient, and maintainable programs.

Master the Java Collections Framework. Learn Lists, Sets, Maps, and utilities to store, organize, and manipulate data effectively.