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

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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 66066

Differentiate Vector and ArrayList?

Max Telecom, Wipro,

6 10748

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

Wipro,

7 11479

What is an abstract class?

DBS, Wipro,

7 10074

How can final class be used?

Accenture, Wipro,

5 11841

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

Wipro,

1 12324

Java support what type of parameter passing ?

Wipro,

7 14674

Explain the term serialization?

Wipro,

10 12624

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

Infosys, Wipro,

10 14488

What is Overriding and how can it be used?

Consagous, Wipro,

7 16108

How is serialization used generally ?

3 6190

How are Swing and AWT be differentiated?

Wipro,

3 7234

Explain pass by reference and pass by value?

IBM, Wipro,

8 14803

In which way does a Primitive data type is passed ?

Sun Microsystems,

5 9850

What happens when a main method is declared as private?

DELL, Infosys, L&T, Sun Microsystems,

22 46108

Un-Answered Questions { Java Related }

Can we inherit a class with private constructor?

231

How we can declare a static variable?

299

What are the autowiring modes?

How can I create a custom RowSetMetaData object from scratch?

256

what is singleton in java?

299

How long will it take to learn hibernate?

What are variable names?

222

What is io stream in java?

238

What is spring ioc definition?

What are the different types of interfaces in the api component?

243

Why vector class is used?

244

What is the primitive type short?

273

What are the supported platforms by java programming language?

264

What is constructor and virtual function? Can we call a virtual function in a constructor?

300

What is difference between jsp and servlet?

281

For More Un-Answered { Java Related } Questions Click Here