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IBM Core Java Interview Questions
Questions Answers Views Company eMail

What are the parameters used in Connection pooling?

 1 4815

What is the difference between Resultset and Rowset.

 6 34369

can you program for reverse string?

 7 10315

what is difference between type 4 driver and type 1 driver?

 2 12423

Difference between overloading and Overriding. (also asked in PA Consultancy Group,iflex,Value chain,IBM,CTS,Accenture, Tarang>

 12 27400

How can you say HashMap is syncronized?

 14 16449

Life Cycle of Thread

 4 9585

what is mutability?which one is mutable String or StringBuffer?and why?give examples of each which shows the mutability of each String or StringBuffer

 4 25328

wHAT IS DEFAULT SPECIFIER IN JAVA wHAT IS DEFAULT CONSTRUCTOR IN JAVA wHAT IS DEFAULT METHOD IN JAVA

 12 15748

What is the differnence between String Buffer and String builder despite having knowledge that String builder is faster than String Buffer and last one is threadsafe.please tell another important difference.

 3 7730

what is tempplate pattern

 4 9280

we have two threads..both the threads are reading the data.. is there any need of synchronization there?...justify it?

 4 6778

What is "Java Native Interface" and how to use it?

 1 5233

Why java Don't Support Multiple interitence

 8 11807

How to synchonise HashMap

 4 6019

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IBM Core Java Interview Questions


Un-Answered Questions

please send aptitude test papers for reference with answers

1259

How do we attach excel sheet with test director?

565

How is a hashset implemented?

464

What are sqlcodes –803,-805, -811, -818,-904,-911,-913,-101, +100?

692

Define:minerals and ores

2080




Is there an alternative operating system to windows?

409

What is gradient and explain its types?

256

What are the main html tags?

436

How do I choose a color scheme for powerpoint?

87

What is spark vectorization?

186

Define an additive?

549

How to create a bootable cinder/block storage volume from the command line?

33

Mention with how many valves does tomcat configured?

450

What is a final variable?

591

What is a managed node?

507