Java Compile and Run Multiple Classes on Linux

Question

I have two class file in same folder, both in same package (package hw9;). I can run them in netbeans but when I try to compile in src folder

[user@manjaro hw9]$ javac * 
[user@manjaro hw9]$ java Hw9
Error: Could not find or load main class Hw9

I take this error.

Answer 1

Compile Hw9.java one directory up,

javac hw9/*.java

then run

java hw9.Hw9