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

Core Java Interview Questions

Questions Answers Views Company eMail

How many statements can be created with one connection in jdbc?

Polaris,

4 10414

What is the importance in context in JDBC connection pools?

iFlex,

2 3790

How to call a Stored Procedure from JDBC?

Satyam,

4 6054

What are the types of statement? explain

SysBiz,

1 7414

In real time project which driver did u use? What is the main functionality of the Prepared Statement?

Photon,

3 6369

What are the parameters used in Connection pooling?

IBM,

1 4812

What are batch updates. in jdbc

Corent Technology,

2 5414

What is thin driver and thick driver. why it is called so?

Logisoft,

2 21506

What is JDBC Driver interface?How can you retrieve data from the ResultSet

CTS,

1501

What is the protocol is used in type4 driver?

CMC,

4 5573

What are the two major components of JDBC?

CMC, Mind Tree,

5 12884

What is stored procedure. How do you create stored procedure ?

GE,

1480

Which of the following is not an isolation level in the JDBC

CTS,

1602

Difference between local and global transaction ?

Accenture, iFlex,

1 20775

What are the steps to do connection pooling in weblogic?

TCS,

1 7356

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Un-Answered Questions { Core Java }

What is ph and buffers?

511

Explain an algorithm to find depth of a binary tree.

536

What is the purpose of encapsulation?

531

Does hashset allow duplicates in java?

567

Can a constructor have different name than a class name in java?

581

Are the imports checked for validity at compile time? Will the code containing an import such as java.lang.abcd compile?

581

What type of value does sizeof return?

528

When to use runnable interface vs thread class in java?

510

Is array passed by reference in java?

568

Explain java coding standards for interfaces?

613

Describe the syntax of multiple inheritance? When do we use such an inheritance?

576

Is string thread safe in java?

566

Is the milky way in a void?

534

Give us the name of the list layoutmanagers in java?

514

Is string passed by reference in java?

539

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