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

What is the difference between pass by reference and pass by pointer?

1120

Which is better singleton or static class?

1002

What is the meaning of course?

1116

Why do we need singleton class?

1018

What is the difference between call by reference and call by pointer?

988

What is the difference between sop and work instruction?

937

Why is logger singleton?

1143

What is pass by value?

959

What is t in parametric equations?

1009

What is the purpose of a parameter?

1094

Which is faster call by value or call by reference?

953

Why parameters should be passed by reference?

982

What is the synonym of framework?

1015

What is the use of singleton class?

984

What is super constructor?

1021

Un-Answered Questions { Java Related }

What is the default autowiring mode?

392

If a servlet is not properly initialized, what exception may be thrown?

1198

Why does jmssession.createtopic or jmssession.createqueue fail to create a destination in wls jms 6.1 (it worked in 5.1)?

838

What is charat ()?

948

What is double checked locking in singleton?

1070

How we can declare a static variable?

1122

What is callback methods?

1063

What are the ways to instantiate the class class?

1124

What does += mean coding?

948

What is spring boot rowmapper? : Spring Boot

468

What is setautocommit in jdbc?

940

Why synchronization is important?

1043

How many messages are sent across the network for processing topic messages? : BEA Weblogic

1009

Explain the front controller class of spring mvc.

468

What do you mean by aop?

429

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