JAVA QUESTIONARY
1.What is JAVA?
Java Platform is a collection of programs that help programmers to develop and run Java
programming applications efficiently. It includes an execution engine, a compiler, and a set of libraries in
it.
2. Who uses JAVA?
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Uber.
Airbnb.
Google.
Pinterest.
Netflix.
Instagram.
Spotify.
Amazon.
3. What is an OOP LANGUAGE?
A programming language structure wherein the data and their associated processing
("methods") are defined as self-contained entities called "objects." Object-oriented Programming.
4. In programing, what is an object?
An object stores its state in fields (variables in some programming languages) and exposes its
behavior through methods (functions in some programming languages).
5. In programing, what is a class?
A class is a programmer-defined, abstract, self-contained, reusable software entity that mimics a
real-world thing.
6. In programing, what is a method?
Is a programmed procedure that is defined as part of a class and included in any object of that
class. A class (and thus an object) can have more than one method.
7. In programing, what is a parameter?
Is a special kind of variable used in a function to refer to one of the pieces of data provided as
input to the function.
8. What types of data are used in JAVA?
There are 8 primitive types of data built into the Java language. These include: int, byte, short, long,
float, double, boolean, and char.
9. What types of programs can be created in JAVA?
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Mobile Applications.
Internet of Things (IoT) Devices.
Cloud Applications.
Web Applications.
Chatbots.
Games.
Enterprise Applications.
9. Place a print screen of BlueJ instaled on your PC.