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 32504

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 15513

what is rowset?

Marlabs,

3 9472

how exactly garbage collection take place?

4 7218

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

TCS,

4 15014

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 5681

Is Struts Action class Thread Safe?

Wipro,

14 53561

Why operator overloading is not in Java?

2081

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

2 5755

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

HCL,

1 4719

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

4 6773

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

ADP,

2 8866

What is JIT ?

Satyam,

4 10060

What is the singleton class in java?

3 8138

How to implement or use the singleton class in java?

3 8109

Un-Answered Questions { Java Related }

What is java actionlistener?

891

What is JDBC Statement?

998

what is the difference between thread and runnable types? : Java thread

1012

What is aop proxy?

450

What is the xmlaccess configuration file export.xml?

875

Does java return by reference?

1020

According to java operator precedence, which operator is considered to be with highest precedence?

1095

What is the spring mvc framework?

458

What is the method to expand and collapse nodes in a jtree?

1046

How should I use sorted queues? : BEA Weblogic

1066

Is an object null?

982

What are the various access specifiers in java?

1010

Which design pattern is used in spring boot? : Spring Boot

384

What is the major difference between java.util.date and java.sql.date data type?

984

How do you add an arraylist to an array in java?

986

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