Introduction

High-level OOP language
Compiled + interpreted language
Platform-independent language (Java run on JVM)
- Same .class file can run on any OS.
- Compiler compiles code and converts to platform-independent byte code.
- Only condition to run byte code is the machine have a JRE.
Has a Garbage Collector.

Java code (.java)
   ↓ compile
Bytecode (.class)
   ↓
JVM (Java Virtual Machine)
   ↓
Windows / macOS / Linux