1. Can you override private or static method in Java ?

Read more: http://java67.blogspot.com/2012/09/top-10-tricky-java-interview-questions-answers.html#ixzz3o1QyCdHS

http://java67.blogspot.sg/2012/08/can-we-override-static-method-in-java.html

2. Write a Java program which will result in deadlock?

Read more: http://javarevisited.blogspot.com/2010/10/what-is-deadlock-in-java-how-to-fix-it.html#ixzz3o1WaCk7R

3. What is difference between StringBuffer and StringBuilder in Java ?

Read more: http://java67.blogspot.com/2012/09/top-10-tricky-java-interview-questions-answers.html#ixzz3o1XxKlkX