JDK stands for Java development kit
JDK is a software development kit that provides tools, libraries, and the runtime environment required to develop and run Java applications.
JDK is a software package used to develop, compile, and run Java programs.
If you want to write Java code, you must install JDK.
JDK is like a complete Java toolbox 🧰. It includes:
1️⃣ JRE (Java Runtime Environment)
- Needed to run Java programs
- Includes JVM + core libraries
2️⃣ JVM (Java Virtual Machine)
- Executes Java bytecode
- Makes Java platform-independent (Write Once, Run Anywhere)
3️⃣ Development Tools
Used while coding:
- javac → Compiles .java → .class
- java → Runs the program
- javadoc → Generates documentation
- jar → Packages files into JAR
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