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

Explain the architectural relationship between EJB & XML?

Wipro,

1 5604

What is Type-3 Driver and when this driver is used?

Wipro,

3 9606

Can you create an index on sex column where there is M or F?

Wipro,

1 7178

How can you tune SQL statements?

Wipro,

2 6546

How to execute bulk number of queries at once?

Wipro,

3 9832

Is the JDBC-ODBC Bridge multi-threaded?

Wipro,

2 13325

What are null interfaces in JAVA ? and give me some examples?

5 19597

Explain Global variables in Packages?

4 8387

Explain about GridBag Layout?

1 4432

What is HashTable?

4 12686

what is Dictionary? and what purpose it is used for?

3 6487

Have you used any version control ? if so explain about it?

2 6319

How OOPS concept is achieved in Java?

Cognizant, JPMorgan Chase, Xavient,

6 25277

How are Java source code files named?

3 8892

How are Observer and Observable used?

3 7471

Un-Answered Questions { Java Related }

What is hibernate and why it is used?

356

What are the differences between the servletconfig interface and the servletcontext interface?

1188

What is the purpose of form-be tag in struct-config.xml?

962

How does a cookie work in Servlets?

844

What is instanceof keyword?

1216

What are the modules in spring?

484

How would you dynamically allocate memory to an array?

1040

How printwriter is different from servletoutputstream?

1014

What do you mean by a filter and how does it work?

957

What is an advantage of using the jdbc connection pool?

878

Is null false in java?

1195

What is one to one mapping in hibernate?

496

What is the final blank variable?

1138

Can a constructor be made final?

1112

What is the spring bean life cycle?

529

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