FRC Basic Java Lessons — annotated explanations + runnable examples

This folder contains lesson files that explain core Java and OOP concepts and a runnable Java example for each lesson.

How it's organized:

• README.md (this file)
• 01_datatypes.md and src/DatatypesExample.java
• 02_controlflow_operators.md and src/ControlFlowExample.java
• 03_collections_methods.md and src/CollectionsExample.java
• 04_classes_objects.md and src/ClassesObjectsExample.java
• 05_encapsulation_inheritance_polymorphism.md and src/OOPExample.java
• 06_interfaces_abstract.md and src/InterfacesAbstractExample.java
• 07_enums_constants.md and src/EnumsConstantsExample.java
• 08_error_handling.md and src/ErrorHandlingExample.java
• 09_static_vs_instance.md and src/StaticInstanceExample.java
• 10_packages_imports.md (explanations)

How to compile and run an example (macOS / zsh):

1. Open terminal in the repository root.
2. Compile a Java file:

javac java-lessons/src/DatatypesExample.java

3. Run it (class path refers to the directory that contains the compiled .class file):

java -cp java-lessons/src DatatypesExample