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 static variable and static method?

Accenture, Prolific, Prolifics, TCS, TNH,

32 105351

Explain about vector, dictionary,hash table, property classes?

Patni,

1 9621

What is method Overloading in the perspective of OOPS?

6 10777

What is method Overriding in the perspective of OOPS?

TCS,

4 8442

What is numeric promotion?

1 5054

What is persistence ?

2 5853

What is procedure overloading?

2329

What is protected and friendly?

1 5617

What is serializable interface?

Infosys, Probity Soft, Seed Infotech,

13 33705

What is the difference between serialization and deserialization?

ABC,

3 16966

What is singleton class?

3i Infotech, 7 Seas, ABC, Amdocs, Cap Gemini, Oracle, Persistent, TCS, Techforza,

16 72569

What is synchronization? How it can be achieved?

2 11997

What is the % operator?

2 5293

What is Collection interface?

Zensar,

1 6091

What is Collections API?

1 4726

Un-Answered Questions { Java Related }

When is static variable loaded? Is it at compile time or runtime? When exactly a static block is loaded in java?

959

What helpers in the form of jsp pages are provided in struts framework?

1002

In hyderabad, which s/w training center is best for java, other than corejava what r the new tools to learn in java,which tool is best & have current requirement,pls give me information about java to learn ?

2177

Which is the only method defined in the javax.ejb.handle interface?

1105

Can we rethrow the same exception from catch handler?

1149

Are there structures in java?

985

What is rxjava2?

886

Explain the importance of finalize() method.

981

Can a static class implement an interface?

1140

What are JVM.JRE, J2EE, JNI?

1126

What does nullpointerexception mean?

1102

Does spring boot need web xml? : Spring Boot

445

Where is spring aop used?

426

How to increase ejb transaction timeout in weblogic?

1155

How define set in java?

1092

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