Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

how to minimize the functionality to will not force garbage collector?

2 4637

Life Cycle of Thread

IBM,

4 11164

If we disable cookies in our web page, what will happen?

Zensar,

6 18032

what is the difference between Cpp And Java

Infosys,

15 28138

what is the use of reference variable

6 22811

httt method

HCL,

2 6092

what is difference between vector and arraylist?.

C DAC, HCL,

4 12174

What is unicode?

5 9837

What is operator?

3 6386

Difference between ligt weight and heavy weight?

5 27993

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

IBM, Zenon,

4 26881

what is Thread?

6 7968

what is synchronization

3 5700

can we create a object in static block class A { static { A a=new A(); } }

Cap Gemini,

7 18359

How to add two numbers with out using Arithmetic , union operators in java....? But we can use bitwise operators... but how...?

CTS, Satyam,

4 12738

Un-Answered Questions { Java Related }

Can we change the value of static variable?

978

How to obtain a performance profile of java program

1052

What is called preparedstatementcreator?

428

How to test jdbc connection to sql server?

1042

What is a prefix function.write down a code to compute prefix function.

1070

How many rowset are available in jdbc?

1127

2) Suppose there are 5 directories having lot of files (say txt files) in each directory. 2 things :- 2.1) You want to search for filenames which have a particular pattern. 2.2) Out of these filtered files you want to search for a particular keyword or a search string. How can you achieve this?

2296

What is the role of action class?

1065

How can you read an integer value from the keyword when the application is runtime in java? example?

1151

What is the difference between the font and fontmetrics classes in java programming?

1183

What are the packages are used in jdbc?

1066

What is the functionality of the stub?

1059

What is a null check?

1042

What is cascade delete?

954

How many types of memory areas are allocated by JVM in java?

1085

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