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Core Java Interview Questions
Questions Answers Views Company eMail

what is Hashmap & Hashtable wirh example?

CTS, Saksoft,

5 13206

what r advatages of websphere? & how to deploy?

Saksoft,

1630

how to connect one jsp page to another jsp page????

IIT, Symphony,

6 45557

Same common question what is Map,Set,HashMap,List????

Symphony,

4 5839

how to open and edit XML file in Weblogic???

Symphony,

1541

Difference between String and StringBuffer.

GE, IBM,

3 7215

what is hashmap& hashtable with example?

CTS,

1 4417

what is webservices?

CTS, Ericsson, HCL,

1 6113

what are the new features available in java 1.5 version?

Accenture, Features, Motorola,

3 15861

how many types of cloning?

Mobily,

4 11829

how to compile jsp?

Logica CMG,

4 6924

what is stringtolennizer with example?

Symphony,

2 4344

what is prepare statement? what is calabedtarement?

Symphony,

1 3265

what is difference between excute query ()and execute update ()?

Symphony,

6 16054

where do we use init()

 2 5894

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Un-Answered Questions { Core Java }

Add a value x to array from index l to r where 0 <= l <= r <= n-1

618

What is jagged array in java?

520

What does serializing data mean?

513

How many bytes is a string in java?

527

What is the symbol for space?

558




I have multiple constructors defined in a class. Is it possible to call a constructor from another constructor’s body?

583

Is 0 a real number?

579

How can we make a class singleton?

570

what is the use of pojo (plain old java objects)? how it is interact with crystal reports? pls urgent

1725

explain multi-threading in java?

546

What is bubble sorting in java?

591

How do you remove all elements from an arraylist in java?

499

Give differences between Quicksort & Mergesort. When should these sorts be used and what is their running time?

569

Why does java does not support multiple inheritance? Explain

545

What are the types of methods in java?

571

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