General Java Questions

Tech Index

 
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"