| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| How to call static method? | Epoch | 3 |
| In Java why we write public static void main(String args[])
why not main()? | TCS | 12 |
| what is diffrence between .NET and java? | | 2 |
| To obtain design information about an object, which class
in used? | | 1 |
| how to call a method in different package? | | 4 |
| why the wait,notify,notifyall methods are placed in object
class?these are the thread concepts why these methods are
placed in Object class? | Satyam | 2 |
| Explain final, finalize() and finally? | | 6 |
| Explain the difference between the Boolean & operator and
the && operator? | | 1 |
| static inner classes means..? | | 1 |
| Can we declare variables inside a method as Final Variables? | | 3 |
| what is sendredirect? | TCS | 3 |
| What is the use of bin and lib in JDK? | | 3 |
| In the first round, there are 30 aptitude and 30 java
questions. We are suppose to finish both the papers within
60 minutes.
I cleared this round.
Next was test for programming skills.
In this section, Some 7 n's were asked.
1.
What is the difference b/w sleep(1000) and wait(1000)
2.
what is the diff b/w static block and static function?
3.
Write a program to validate IP address using string
tokenizer.
4.
Write a program to create singleton class
5.
write a function to reverse the string
6.
Write a prog to print prime nos upto n. EX: If n=9, It shld
print 1,2,3,5,7
7. One program on collections- Write a program to print no.
of times a number is repeating in an array.
EX- {1,3,1,2,5,7,3,7,34,3,8,3}
It should print: 1- 2 times
3- 4 times and so on
7. Write a func to print fibonocci series
After this I had technical interview, which went on for.
60 mins or so. There were qn's about multi threading,
Exception handling and collection classes.
Knowledge about collections was very important for the
post I was interviewed for. | Huawei | 1 |
| What is the difference between Stream Reader and Stream Writer? | | 4 |
| What are different type of access modifiers? | | 3 |
| what is a transient variable? | | 4 |
| What is anonymous class? | | 2 |
| Differences between GridLayout and GridBagLayout? | | 1 |
| why marker interfaces are there in java | Digital-Group | 3 |
| What is 3-tier model? | Wipro | 3 |
| |
| For more Core Java Interview Questions Click Here |
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