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

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

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

32 95348

Differentiate Vector and ArrayList?

Max Telecom, Wipro,

6 28533

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

Wipro,

7 29220

What is an abstract class?

DBS, Wipro,

8 27615

How can final class be used?

Accenture, Wipro,

5 27366

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

Wipro,

1 26471

Java support what type of parameter passing ?

Wipro,

7 20041

Explain the term serialization?

Wipro,

10 31173

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

Infosys, Wipro,

10 33361

What is Overriding and how can it be used?

Consagous, Wipro,

7 33137

How is serialization used generally ?

3 21283

How are Swing and AWT be differentiated?

Wipro,

3 22279

Explain pass by reference and pass by value?

IBM, Wipro,

8 32370

In which way does a Primitive data type is passed ?

Sun Microsystems,

5 25372

What happens when a main method is declared as private?

DELL, Infosys, L&T, Sun Microsystems,

22 74049

Un-Answered Questions { Java Related }

What are swing controls?

944

What are the advantages of spring mvc over struts mvc?

904

Why main() method is public, static and void in java ?

1066

What is final modifier?

1026

What is jms jndi?

843

Why do we need array in java?

985

How do you create a jar file?

905

What are spring filters?

376

Can we compare two strings in java?

996

What are different types of encoding?

1054

How do you implement one to one relationship in hibernate with java annotation?

518

How can a gui component handle its own events?

1074

What is persist method in hibernate?

376

What purpose do the keywords final, finally, and finalize fulfill?

1072

What are encapsulation, inheritance and polymorphism?

980

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