Can we compile and execute a java program without a class??

Ans: Yes, we can compile and execute without a class. Let’s see the following code:

Test43.java

enum Test43{

;  

public static void main(String[] args)

{

System.out.println("Silan Technology");

}

}

Output

Silan Technology

JAVA 9 Features

JAVA 9 Features :

1. Modularity -- jigsaw

2. REPL --  JShell

3. try with resource enhancements

4. Factory methods in collection

5. private methods in interface

6. Stream API enhancements

7. Http 2 Client(java.util.http)

8. G1 garbage collector