Tech Interview Questions -  Java

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Simple Java Questions

1. Meaning - Abstract classes, abstract methods

2. Difference - Java,C++

3. Difference between == and equals method

4. Explain Java security model

5. Explain working of Java Virtual Machine (JVM)

6. Difference: Java Beans, Servlets

7. Difference: AWT, Swing

8. Disadvantages of Java

9. What is BYTE Code ?

10. What gives java it’s “write once and run anywhere” nature?

11. Does Java have “goto”?

12. What is the meaning of “final” keyword?

13. Can I create final executable from Java?

14. Explain Garbage collection mechanism in Java

15. Why Java is not 100% pure object oriented language?

16. What are interfaces? or How to support multiple inhertance in Java?

17. How to use C++ code in Java Program?

18. Difference between “APPLET” and “APPLICATION”