This repository contains examples of Java 25 language enhancements with simple code snippets and explanations.
It helps beginners and developers quickly understand the latest updates in Java.
-
Instance Main Methods
- Write
void main()withoutpublic staticorString[] args. - JVM automatically creates an instance and runs it.
- Write
-
Compact Source Files
- No need to wrap everything inside a
class. - Great for quick testing and learning.
- No need to wrap everything inside a
-
Simplified I/O for Beginners
- Use
IO.println()andIO.readln()instead ofSystem.outandScanner. - Makes Java coding as simple as Python for I/O.
- Use
-
Automatic Imports
- Common APIs from
java.baseare auto-imported. - Cleaner code with less boilerplate.
- Common APIs from
-
Flexible Constructors
- Statements allowed before
super()orthis()calls. - Enables validation/setup in constructors.
- Statements allowed before
-
Module Import Declarations
- Use
import module java.sql;style. - Simplifies module usage and improves modularity.
- Use
-
Scoped Values
- Safer alternative to
ThreadLocal. - Share data across threads within a limited scope.
- Safer alternative to
- Install Java 25 from Oracle JDK Downloads.
- Clone the repository:
git clone https://github.com/your-username/java25-new-features-demo.git cd java25-new-features-demo - Compile and run examples:
javac FeatureExample.java java FeatureExample
Pull requests are welcome! Feel free to add more examples or improve explanations.