Read the following text and choose the correct answer:

BlueJ version is a menu driven approach for Java programming. It allows the users to carry out different tasks by clicking the options available on the menu bar.

Which is the most suitable statement for BlueJ from the following?

1. It is a window based platform.
2. It is a DOS based platform.
3. It is a window based and DOS based platform.
4. Every task is performed by typing the commands on the screen.

Java application is a Java program which is developed by users.

Machine codes are expressed using alphanumeric characters.

Byte code is the program in binary form.