Java's Basic Architecture and confirming java is case sensitive language

1. JAVA
2. A code written by programmer in high level language and it converts into byte code with helps of JDK (Java Development Kit ) process known as compilation .
3. JRE (Java Runtime Environment) environment needed to run Java programs JVM (Java Virtual Machine) executes Java bytecode

 1.public class Game
{

public static Void main(String[] args)
{
    System.out.println("Hello world from java program");
}

}

 2. public class Game
{

public static void main(String[] args)
{
    System.out.println('Hello world from java program');
}

}

![ ](https://dev-to-uploads.s3.us-east-2.amazonaws.com/uploads/articles/emv1u4sqm0ejtz0s7n8t.png)

3.

public class Print
{

public static void main(String[] args)
{
    System.out.println("Hello world from java program");
}

}

4.

public class Game
{

public static void main(String[] args)
{
    System.out.println("Hello world from java program")
}

}

5.

public class Game
{

public static void main(String[] args)
{
    System.out.println("Hello world from java program");
}