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IBM Core Java Interview Questions
Questions Answers Views Company eMail

what is the difference between abstract class and Interface?where we can use it in realtime projects?

 23 64793

which class to use when concatenating strings in a loop.

 3 7608

explain System.out.println

 107 176826

what is the difference between equals method and ==

 17 22627

whays is mean by inner class?

 4 6916

what are the different access specifiers that can be used by interfaces and abstract classes? can anyone give me detailed description on this

 11 21736

Iterator in the HashMap is fail-safe means what?

 9 33994

what is difference between colection and collections?

 25 65391

how to deploy apache tomcat server to weblogic server in java

 1595

can we create object for static class in java

 14 45186

what is difference between method overloading & method overridding with example?

 4 6837

what is difference between perfom() & excute() ?

 2 6048

write a progam hashmap & hashtable?

 2 7542

java can provide security ,how can provide?

 8 26981

Difference between String and StringBuffer.

 3 7219

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IBM Core Java Interview Questions


Un-Answered Questions

How would you conduct a user experiment centred on using email? And how would you protect a user's content if they chose to use their personal email during the experiment?

865

How can you insert null values in a column while inserting the data?

711

How to make a net component talk to a com component?

454

Is null or empty c#?

512

How many types of dos are there?

468




What is the difference between the jdk 1.02 event model and the event-delegation model introduced with jdk 1.1?

610

What are the advantages of rpa?

5

Explain unique key in sql server?

536

What are the differences between forward() method and sendredirect() methods?

545

What is the target antigen for acute myeloblastic leukemia?

378

What is graph db? Explain with an example.

55

How can we reverse the order in the treemap?

482

Compare the features of the three transistor configurations.

713

Explain mvc pattern.

592

How does the sodium-potassium pump present in the cell membrane work? What is the importance of this protein for the cell?

523