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 12187

What is the importance in context in JDBC connection pools?

iFlex,

2 4867

How to call a Stored Procedure from JDBC?

Satyam,

4 7673

What are the types of statement? explain

SysBiz,

1 8167

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

Photon,

3 7815

What are the parameters used in Connection pooling?

IBM,

1 5653

What are batch updates. in jdbc

Corent Technology,

2 6511

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

Logisoft,

2 22802

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

CTS,

2163

What is the protocol is used in type4 driver?

CMC,

4 7156

What are the two major components of JDBC?

CMC, Mind Tree,

5 14865

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

GE,

1995

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

CTS,

2198

Difference between local and global transaction ?

Accenture, iFlex,

1 22469

What are the steps to do connection pooling in weblogic?

TCS,

1 8156

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Un-Answered Questions { Core Java }

What are features of java?

1092

What is the differences between c++ and java? Explain

1113

What is synchronization and why is it important in java programming?

998

Why is boolean important?

1128

What must a class do to implement an interface in java programming?

1151

What is mean by encoding?

1126

How can we access some class in another class in java?

1059

we have syntax like for(int var : arrayName) this syntax is to find whether a number is in the array or not.but i want to know how to find that number's location.

2089

What is byte value?

1058

what is the final keyword denotes in java?

1165

Is java a utf 8 string?

1028

how to open and edit XML file in Weblogic???

2016

What is regex java?

1180

Can string be considered as a keyword?

1096

What is the difference between heap and stack memory?

1258

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