Java Developer Path

Set up Java and learn classes, collections, and error handling.

4 lessons · about 31 minutes of reading

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1. 1

   Java for Beginners: Install the JDK and Write Your First Program

   Install the Java Development Kit, then compile and run your first Hello World program from the command line.

   7 min read

2. 2

   Java Classes and Objects: Object-Oriented Basics

   Learn how to define classes, create objects, and use constructors, methods, and encapsulation in Java.

   8 min read

3. 3

   Java Collections: ArrayList, HashMap, and HashSet

   Store and manage groups of data in Java using the most common collection classes.

   8 min read

4. 4

   Exception Handling in Java: try, catch, finally

   Handle runtime errors in Java with try/catch/finally, try-with-resources, and throwing your own exceptions.

   8 min read