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HP Core Java Interview Questions
Questions Answers Views Company eMail

what is difference Between Core Java and advance java

60 148800

how many design pattern r there? and wht design pattern u use and why ?

5 7556

What is difference between Iterator and for loop

9 45401

what is finalmethod & final variable with example?

6 6526

what is polymorphism with example?types of polymorphism?

15 54633

please tell me what is wrapper class in java with example ?

6 16841

why string is not taking as primitive datatypes but we r taking it as a class? why explain it?

2 4253

What is the difference between the synchronized() & static synchronized()?

2 6573

which one is more efficient int x; 1. if(x==null) 2.if(null==x) state which one either 1 or 2?

6 7038

how tha garbage collector know that the object will be deleted? on which algorithm the garbage collector works? what is the working principle of garbage collector? How manay types of garbage collectors r there?

1 5484

what is object type casting? give some example with related?

2 6372

suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible

6 6429

When you declare a method as abstract method ?

2 5116

how jvm allocates memory for stack?

1 2922

Difference between process and thread?


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HP Core Java Interview Questions

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8. Sort, Lookup What kind of technique (partition) is used? 9. How can you handle exceptions in job sequencer? 10. How do you apply custom conditions an exceptions (How do you trigger exceptions in job sequence?) 11. I have a job with 3 possibilities? Finish with ok…..Abort…….Warning} How do you handle these in Job sequencer 12. How do you connect both OK and Warning can we? 13. How to find which process is running currently? 14. How do you find the disk usage in UNIX? 15. How do you combine 2 sequential files having same metadata of same file names? 16. How do you implement SCD in Ds? 17. Explain the situation where you have applied? 18. How do you apply new changes to? 19. Difference between change capture and Change apply? 20. Explain Compare Stage? 21. What is Surrogate key? 22. How to solve the problem of null values?


What is an external javascript?