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 11843

What is the importance in context in JDBC connection pools?

iFlex,

2 4667

How to call a Stored Procedure from JDBC?

Satyam,

4 7372

What are the types of statement? explain

SysBiz,

1 8036

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

Photon,

3 7552

What are the parameters used in Connection pooling?

IBM,

1 5516

What are batch updates. in jdbc

Corent Technology,

2 6323

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

Logisoft,

2 22577

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

CTS,

2061

What is the protocol is used in type4 driver?

CMC,

4 6838

What are the two major components of JDBC?

CMC, Mind Tree,

5 14508

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

GE,

1908

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

CTS,

2090

Difference between local and global transaction ?

Accenture, iFlex,

1 22250

What are the steps to do connection pooling in weblogic?

TCS,

1 7993

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Un-Answered Questions { Core Java }

What is classname class in java?

1008

Why pass by reference is not possible in java?

977

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

1056

What is java oops?

1018

What does n mean?

954

What is the difference between applet and application?

974

Write a program to find maximum and minimum number in array?

956

Can a final variable be null?

977

What is instance means in java?

1003

What is an empty list in java?

935

How do you do descending order in java?

928

What is javac used for?

896

What is a treeset class?

960

Explain try and catch keywords in java?

1158

What is "this" keyword in java? Explain

1064

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