How to compile and run HelloWorld programs in java and scala through the command line terminal, with jar dependencies.

java_scala.bash

#Compile HelloWorld, with jars in this directory
javac -cp ".:*" HelloWorld.java 
scalac -cp ".:*" HelloWorld.scala 

#Run
java -cp ".:*" HelloWorld
scala -cp ".:*" HelloWorld

# HelloWorld.java
class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, Java World!"); // Display the string.
    }
}

# HelloWorld.scala
object HelloWorld {
  def main(args: Array[String]) {
    println("Hello, Scala World!")
  }
}