Sun Certified Java Developer Interview Questions

Sun Certified Java developer interview questions are the questions asked to an individual who is appearing for an interview for a position of a Java developer in an organization with certification from Sun. The questions help to analyze the person’s knowledge about applications in Java. The individual should be certified by Sun. The questions also help to understand that how proficient is the candidate in using Java programming language.

Sample Sun Certified Java developer interview questions

1. What are the different ways to debug a java program?
2. What do you know about web architecture?
3. In order to write your java programs, what is the IDE that you have to use?
4. Suppose you are part of a team of programmers and your team is reviewing a proposed API for a new utility class. Later the team realizes after discussion that the number of methods used in API can be reduced without the loss of any function. What are the two OO principles that the team will promote if they execute a new design?
5. What is a string buffer?
6. When do we need to use DAO design in our project?
7. How will you deploy a web application?
8. Do you think that it is possible for more than two threads to dead loack at once?
9. What is the difference between native keyword and abstract keyword?
10. What result do you get when you mount a file system after enabling the noatime option?
11. Define unchecked Exceptions? How is it different from checked Exceptions?
12. What debugging tool would you use to debug a Java program?