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

Advanced Java Interview Questions

Questions Answers Views Company eMail

What is Connection Pooling?

Enteg Technologies, Infosys, Polaris,

1 6460

What are Benefits of Connection Pooling?

2 6324

What is servlet preinitialization?

iFlex,

3 9908

What is servlet preinitialization

iFlex,

1 5352

Why does most servlets extend HttpServlet?

Accenture, Wipro,

4 13748

Explain the life cycle of servlet?

Cognizant, HCL,

3 7375

What is Servlet Filter And What does it work?

TCS,

1 11225

Explain Life cycle of Servlet Filter.

InfoBrain, ITC Infotech,

2 26552

how can we load a file of a user in the database table?

ITC Infotech,

3 5908

how team leaders assign work for the team member like through papers,word document

TCS,

1 5758

What is there in browser that it supports web based applications of java or any other PL?

2 4288

function of extends and implements keywords?

2 6025

types of exceptions

1 4316

difference of inheritance and interface

3 5979

the use of try and ffinally keyword

1 3857

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Un-Answered Questions { Advanced Java }

What are the sequence of steps to write pub or sub model kind of application?

2474

What is the difference between long.class and long.type?

1016

Is the ternary operator written x : y ? Z or x ? Y : z ?

1058

What is the difference between the string and stringbuffer classes?

1045

Why use a datasource when you can directly specify a connection details? (in a J2EE application)

4184

What is bean? Where can it be used?

1083

What is the difference between RMI and Corba?

2687

What is the purpose of the notify() method?

1024

What is the relationship between the canvas class and the graphics class?

997

what is Activation Instantinator?

2380

How are the elements of a borderlayout organized?

1060

Is “abc” a primitive value?

1066

How would you detect a keypress in a jcombobox?

1093

how to make a index.jsp for running the site in internet and find an error for connection with weblogic server and java that give an error invalid object name.and how to maintain session.

2210

When is the best time to validate input?

1065

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