J2EE Interview Questions Part - 2

21. What is business logic ?

22.What is business method ?

23. What is callback methods ?

23. What is caller ?

25. What is caller principal ?

26. What is cascade delete ?

27. What is CDATA ?

28. What is certificate authority ?

29. What is client-certificate authentication ?

30. What is comment ?

31. What is commit ?

32. What is component contract ?

33. What is component-managed sign-on ?

33. What is connector ?

35. What is Connector architecture ?

36. What is container ?

37. What is container-managed persistence ?

38. What is container-managed sign-on ?

39. What is container-managed transaction ?

40. What is content ?

J2EE Interview Questions Part - 1

1. What is J2EE?

2. What is the J2EE module?

3. What are the components of J2EE application?

4. What are the four types of J2EE modules?

5. What does application client module contain?

6. What does web module contain?

7. What are the differences between Ear, Jar and War files? Under what circumstances should we use each one?

8. What is the difference between Session bean and Entity bean? one?

9. What is "applet"

10. What is "applet container"

11. What is authorization?

12. What is authorization constraint

13. What is B2B

14. What is backing bean

15. What is basic authentication

16. What is bean-managed persistence

17. What is bean-managed transaction

18. What is binding (XML)

19. What is binding (JavaServer Faces technology)

20. What is build file

Aptitude Question Part - 1

1.A three digit number consists of 9,5 and one more number . When these digits are reversed and then subtracted from the original number the answer yielded will be consisting of the same digits arranged yet in a different order. What is the other digit?

2.A farmer built a fence around his 17 cows,in a square shaped region.He used 27 fence poles on each side of the square. How many poles did he need altogether???

3.On the first test of the semester, kiran scored a 60. On the last test of the semester, kiran scored 75% By what percent did kiran's score improve?

4.A group consists of equal number of men and women. Of them 10% of men and 45% of women are unemployed. If a person is randomly selected from the group. Find the probability for the selected person to be an employee.

5. Randy's chain of used car dealership sold 16,400 cars in 1998. If the chain sold 15,744 cars in 1999, by what percent did the number of cars sold decrease?

6. A radio when sold at a certain price gives a gain of 20%. What will be the gain percent, if sold for thrice the price?

7. If a man walks at the rate of 5kmph, he misses a train by only 7min. However if he walks at the rate of 6 kmph he reaches the station 5 minutes before the arrival of the train.Find the distance covered by him to reach the station.

8.If the Arithmetic mean is 34 and geometric mean is 16 then what is greates number in that series of numbers?

9. The diameter of the driving wheel of a bus is 140cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 kmph?

10. The boys and girls in a college are in the ratio 3:2. If 20% of the boys and 25% of the girls are adults, the percentage of students who are not adults is:??

11. Vivek travelled 1200km by air which formed 2/5 of his trip.One third of the whole trip , he travelled by car and the rest of the journey he performed by train. The distance travelled by tain was???

12. In a college ,1/5 th of the girls and 1/8 th of the boys took part in a social camp.What of the total number of students in the college took part in the camp?
13. On sports day,if 30 children were made to stand in a column,16 columns could be formed. If 24 children were made to stand in a column , how many columns could be formed?

14. Two trains 200mts and 150mts are running on the parallel rails at this rate of 40km/hr and 45km/hr.In how much time will they cross each other if they are running in the same direction.

15. 5/9 part of the population in a village are males. If 30% of the males are married, the percentage of unmarried females in the total population is:

16. From height of 8 mts a ball fell down and each time it bounces half the distnace back. What will be the distance travelled

17. First day of 1999 is sunday what day is the last day

18. Increase area of a square by 69% by what percent should the side be incresed

19. Ten years ago, chandrawathi’s mother was four times older than her daughter. After 10years, the mother will be twice older than daughter. The present age of Chandrawathi is:

20. Finding the wrong term in the given series

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