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

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Java Related Interview Questions

Questions Answers Views Company eMail

Give the difference between the println method and sqrt method?

1086

Why do you canvas?

1044

Explain about strings in java?

1074

Is there any tag in htm to upload and download files?

1047

Explain about the performance aspects of core java?

1056

What is the method to expand and collapse nodes in a jtree?

1044

Suppose if we have variable ' I ' in run method, if I can create one or more thread each thread will occupy a separate copy or same variable will be shared?

1056

Explain about java sdk?

1039

What is meant by javabeans?

1095

Explain the reason behind ending a program with a system.exit(0)?

1087

Explain about class in java?

1113

What is bean? Where it can be used?

1087

Have you ever used hashtable and dictionary?

1019

What is the exact difference in between unicast and multicast object? Where we will use?

999

When is update method called?

1143

Un-Answered Questions { Java Related }

What’s the difference between genericservlet and httpservlet?

1115

Can an integer be a string?

1068

Are generics important java?

981

Is java jre still free?

958

What is collection class in java? List down its methods and interfaces.

968

Differentiate between class and structure.

1133

How do you get the length of a string in java?

1010

What are the different features of the spring framework?

408

What are application servers?

1021

Can I uninstall java?

1055

Why do we use threads in java?

1120

When should I use multicast subscribers? : BEA Weblogic

992

What are the important tags of hibernate.cfg.xml?

319

Why to use nested classes in java?

1121

Describe the phases of servlet lifecycle?

1071

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