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 95857

Differentiate Vector and ArrayList?

Max Telecom, Wipro,

6 28682

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

Wipro,

7 29341

What is an abstract class?

DBS, Wipro,

8 27746

How can final class be used?

Accenture, Wipro,

5 27474

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

Wipro,

1 26554

Java support what type of parameter passing ?

Wipro,

7 20195

Explain the term serialization?

Wipro,

10 31395

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

Infosys, Wipro,

10 33551

What is Overriding and how can it be used?

Consagous, Wipro,

7 33267

How is serialization used generally ?

3 21359

How are Swing and AWT be differentiated?

Wipro,

3 22381

Explain pass by reference and pass by value?

IBM, Wipro,

8 32511

In which way does a Primitive data type is passed ?

Sun Microsystems,

5 25475

What happens when a main method is declared as private?

DELL, Infosys, L&T, Sun Microsystems,

22 74447

Un-Answered Questions { Java Related }

How can we create an immutable class in java?

1066

Explain bean in spring?

389

What is difference between class and object in java?

1077

Does spring boot need web xml? : Spring Boot

437

Can a static block throw exception?

1095

When can we say that threads are not lightweight process in java?

1159

What is commit?

1054

Can static methods be inherited?

1049

Once I have the Java 2 SDK, Standard Edition, from Sun, what else do I need to connect to a database?

999

How many characters is 2 bytes?

994

Can a class be private in java?

993

How do I set up my classpath? : BEA Weblogic

968

How do you do a line break in java?

1022

Can hibernate session have multiple transactions?

368

What is the point-to-point model in jms?

878

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