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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,

2547

How we get some middle records in one table?

3i Infotech,

2 6346

tell me some common

TCS,

2 4497

Which is the best way of exception handling?

Oracle,

2 6949

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

eClinical Solutions, eClinical Works, eClinicalWorks,

1 7197

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

1 3825

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

Arfin, TCS,

2 5287

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

IBS,

1 6488

what is the diffrences between platform independent and portable

TCS,

5 23556

Java support call by reference (pass by reference) ?

HCL,

1 4498

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 6041

difference between vectorlist and hash

TCS,

1 4230

why HashTable not allow null key and value

Crimson Logic,

2 22454

why string constant pool in java

TCS,

2 8963

why top level class could not be static

L&T,

3 13078


Post New Core Java Questions

Un-Answered Questions { Core Java }

Difference between string, stringbuffer and stringbuilder?

1022


What restrictions are placed on method overriding in java programming?

996


Tell us something about an iterator.

955


How does a cookie work in Servlets?

838


What is a consumer in java?

1009


How is it possible in java programming for two string objects with identical values not to be equal under the == operator?

1023


How does predicate work in java?

976


What is adapter in java?

917


Explain about class in java?

1093


What does string [] args mean?

1005


What is a parameter in simple terms?

991


How much is a java license?

923


What is lexicographically smallest string?

1061


Is java jre still free?

954


Can we have more than one package statement in the source file?

1052