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 11988

What is the importance in context in JDBC connection pools?

iFlex,

2 4768

How to call a Stored Procedure from JDBC?

Satyam,

4 7496

What are the types of statement? explain

SysBiz,

1 8097

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

Photon,

3 7664

What are the parameters used in Connection pooling?

IBM,

1 5577

What are batch updates. in jdbc

Corent Technology,

2 6410

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

Logisoft,

2 22678

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

CTS,

2109

What is the protocol is used in type4 driver?

CMC,

4 6978

What are the two major components of JDBC?

CMC, Mind Tree,

5 14666

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

GE,

1955

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

CTS,

2126

Difference between local and global transaction ?

Accenture, iFlex,

1 22348

What are the steps to do connection pooling in weblogic?

TCS,

1 8078

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Un-Answered Questions { Core Java }

What are the procedures?

1061

What are structs in java?

1064

How do you compare two strings lexicographically?

934

What do you mean by platform independence?

1053

Why is singleton instance static?

1002

What is math floor in java?

952

What is better - 'bit-shift a value' or 'multiply by 2'?

1192

What is method overloading with type promotion?

1275

When should we create our own custom exception classes?

1018

What does isempty () do in java?

1064

Which collection is sorted in java?

1034

Garbage collection in java?

1025

Explain exception chaining in java?

1177

How to make object serializable in java?

993

Why does java does not support multiple inheritance? Explain

978

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