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Core Java Interview Questions
Questions Answers Views Company eMail

what are the disadvantages of indexes in oracle?

3i Infotech, Wells Fargo,

2444

How we get some middle records in one table?

3i Infotech,

2 6256

tell me some common

TCS,

2 4379

Which is the best way of exception handling?

Oracle,

2 6838

what is the difference between System.exit() and System.exit(1)?

eClinical Solutions, eClinical Works, eClinicalWorks,

1 7096

Can there be an abstract class with no abstract methods in it?

1 3730

can any one send me the example program of immutable class?

Arfin, TCS,

2 5183

There are 100 keys and values in HashMap.how to get the keys and values?

IBS,

1 6415

what is the diffrences between platform independent and portable

TCS,

5 23342

Java support call by reference (pass by reference) ?

HCL,

1 4428

System.out & System.in are final static data member of System class but we can change there reference through setOut() & setIn() method how...

FCS, TCS,

2 5922

difference between vectorlist and hash

TCS,

1 4145

why HashTable not allow null key and value

Crimson Logic,

2 22303

why string constant pool in java

TCS,

2 8864

why top level class could not be static

L&T,

3 12920


Post New Core Java Questions

Un-Answered Questions { Core Java }

How can you add and remove nodes in jtree?

974


Does every java program need a main?

940


What is array in java?

946


What are the different http methods?

978


What language is pass by reference?

971


is it possible to instantiate the math class?

970


What is void in java?

1017


Why do we need data structure in java?

1019


Explain about serializable interface in java?

938


what are three ways in which a thread can enter the waiting state? : Java thread

952


What are the advantages of user defined functions?

936


how are methods defined?

998


Is list ordered in java?

926


What are the types of casting?

1006


What is an iterator java?

1010