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

Difference between web container & web server........... Difference between web server & application server?????????

8 32912

in a constructor what happen if u call super and this in the same class? i know that it is not possible to call both in the same one? if we call what will happen?

ITC Infotech,

10 15885

what is rowset?

Marlabs,

3 9642

how exactly garbage collection take place?

4 7441

when the webcontainer creates ServeletConfig,ServletContext objects? befoure creating the Servlet object or not?

TCS,

4 15246

when i write string s1="java"; in one program(application) and string s2="java"; in another application on the same jvm will both objects s2,s2 will refer to same memory location where "java" is stored in string pool.

2 5840

Is Struts Action class Thread Safe?

Wipro,

14 54221

Why operator overloading is not in Java?

2164

What is the difference between throw and throws? What is the similarity between try and throw?

2 5905

Is it possible to create Userdefined Unchecked Exception also?If Yes, give an example?

HCL,

1 4849

What is the need of "creating and throwing an UserdefinedException" when the "Exception" class is already available?

4 6958

Is it possible to create Userdefined Unchecked Exception also?If Yes, give an example?

ADP,

2 9005

What is JIT ?

Satyam,

4 10295

What is the singleton class in java?

3 8322

How to implement or use the singleton class in java?

3 8291

Un-Answered Questions { Java Related }

What is the difference between equals() and == in java?

1033

What are the contents on web.xml in struts application ?

1061

What is an object in java and how is it created?

1130

What is the difference between break and continue statements?

1120

Write a program to find the whether a number is an Armstrong number or not?

1095

Find Best Job Vacancies across the world on Jooble!

136

What do you understand by casting in java language? What are the types of casting?

923

What do you know about validation plugin ?

1026

explain different ways of using thread? : Java thread

1079

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2260

What do you mean by an interface in java?

1096

What is lazy class?

484

What are the differences between heap and stack memory in java?

1133

Differentiate between static and non-static methods in java.

1118

What is a classloader in java?

1086

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