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”

Posted in: Java