6- What is a reference variable? Is a class a reference type?

7- Give an example of application of an integer data type

8- What are the possible values of Boolean data type?

9- What utility is needed to accept user's input from the keyboard

10- Write a shell of a java program

11- Write a simple Java program that outputs : Hello World, my name is and your name

12- Write a simple Java program that that asks a user to type a number , reads the number typed and outputs the number on the screen.

13- Declare a variable height and assign it the best data type.

14- How are comments designated in Java program?

15- How do you end a statement in a Java?

6- What is a reference variable? Is a class a reference type? 7- Give an example of application of an integer data type 8- What are the possible values of Boolean data type? 9- What utility is needed to accept user's input from the keyboard 10-Write a shell of a java program 11- Write a simple Java program that outputs : Hello World, my name is and your name 12-Write a simple Java program that that asks a user to type a number, reads the number typed and outputs the number on the screen. 13- Declare a variable height and assign it the best data type