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

Java J2EE (14736)
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Java Related Interview Questions

Questions Answers Views Company eMail

What is garbage collection in Java, and how can it be used ?

Accenture, HCL, Infosys, Sara, SITS, TCS, Wipro,

32 95800

Differentiate Vector and ArrayList?

Max Telecom, Wipro,

6 28665

Differentiate constructor and a method and how are it be used?

Wipro,

7 29311

What is an abstract class?

DBS, Wipro,

8 27722

How can final class be used?

Accenture, Wipro,

5 27462

By what default value is an object reference declared as an instance variable?

Wipro,

1 26548

Java support what type of parameter passing ?

Wipro,

7 20175

Explain the term serialization?

Wipro,

10 31373

Is there is any error if you have multiple main methods in the same class?

Infosys, Wipro,

10 33538

What is Overriding and how can it be used?

Consagous, Wipro,

7 33257

How is serialization used generally ?

3 21354

How are Swing and AWT be differentiated?

Wipro,

3 22369

Explain pass by reference and pass by value?

IBM, Wipro,

8 32498

In which way does a Primitive data type is passed ?

Sun Microsystems,

5 25455

What happens when a main method is declared as private?

DELL, Infosys, L&T, Sun Microsystems,

22 74375

Un-Answered Questions { Java Related }

What is variable and constant explain with example?

1092

What is mysql driver class name?

1142

What are examples of modifiers?

1122

Can I run seam with jdk 1.4 and earlier?

994

What is a stage deployment?

1127

Why do we use @requestmapping?

989

Is space a character in java?

1006

What is spring mvc used for?

424

How does sessionfactory work in hibernate?

382

Name three subclasses of the component class?

1103

My users authenticate with one userid but I want them to be identified with another ID from LDAP. Is that possible?

800

What are controller commands used in member subsystem?

949

Explain the difference between criteria and criterion in hibernate?

411

What is @embeddedid?

520

How do constructors use this() and super()?

1116

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