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"