1. What is Java?
Ans. Java is an object-oriented programming language. It is a platform independent language.
2. Which is the most important feature of java?
Ans. Java is a platform independent language.
3. Who is the father of the Java programming language?
Ans. James Gosling.
4. What are the supported platforms by java programming language?
Ans. Java runs on Windows, Mac OS, Linux/Unix.
5. What are the data types supported by java?
Ans. byte, short, int, long, char, float, double.
6. What is JVM?
Ans, JVM is a Java Virtual Machine which is a run time environment for the compiled java classes.
7. Is java pure object oriented language?
Ans. No.
8. What is constructor?
Ans. The constructor is just like method and invoked at the time of object creation.
9. Can we make a constructor final?
Ans. No
10. Is constructor inherited?
Ans. No
