Read me first before you do it at office !!!

compile class in the command line

cd src/main/java
javac io/ascending/training/*.java

compile class with package info

go to home directory

mkdir target
cd src/main/java
javac -d ../../../target/ io/ascending/training/*.java

Run the main class

go to home directory

java -cp ./target/ io.ascending.training.Main "hello"

compile class with maven

mvn compile