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

Java J2EE (14736)
J2ME (151)
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Java Related Interview Questions

Questions Answers Views Company eMail

Define class?

1069

When a byte datatype is used?

5 2255

Can a constructor be made final?

1130

Explain treeset?

1139

What is a war file?

1110

What do you mean by synchronized non access modifier?

1016

What is the purpose of default constructor?

1013

Which package is used for pattern matching with regular expressions?

1133

How finally used under exception handling?

963

What kind of variables a class can consist of?

1120

What is the difference between stringbuffer and stringbuilder class?

1125

Explain the usage of this with constructors?

1051

What is protected access modifier?

1016

What is final class?

1040

What things should be kept in mind while creating your own exceptions in java?

1185

Un-Answered Questions { Java Related }

What Is Boot.proerties File In Weblogic Server ?

1031

Difference between default and protected access specifiers?

1152

What are the types of methodology?

1123

Can we have multiple public classes in a java source file?

1211

What's the difference between authentication and authorization? : java security

1021

How can we reduce database write action times in Hibernate?

374

How can I protect myself? : java security

1020

Enlist and explain the main methods associated with the resource interface.

428

Why is spring boot preferred for microservices? : Spring Boot

446

What is a java executable jar file?

1036

What is xe in oracle jdbc url?

1105

What is jdbc and its types?

981

Why is it that we can't give relative URL's when using ServletContext.getRequestDispatcher() when we can use the same while calling ServletRequest.getRequestDispatcher()?

1121

Can a jms queue have multiple listeners?

941

Can we initialize the final blank variable?

1106

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