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 purpose of the main method?

1007

What is the hashcode () and equals () used for?

1058

Why singleton is not thread safe?

1004

What is super keyword explain with example?

1300

Why you should not use singleton?

1001

What is the difference between method and means?

1097

What lambda means?

1018

Why can't you declare a class as protected?

1158

What is the synonym of procedure?

1144

What is return data type?

1023

What is the purpose of methodology?

1100

What is singleton class in ruby?

1029

What is the same as procedures?

1004

What is proper subset?

989

Where is singleton pattern used?

1011

Un-Answered Questions { Java Related }

Can we overload destructor in java?

1016

Write a regular expression to validate a password. A password must start with an alphabet and followed by alphanumeric characters; its length must be in between 8 to 20.

1053

How we create object in copy constructor?

1140

Can we use string in the switch case?

1059

How many bytes is a string in java?

1013

can anyone explain me the workflow of EJB.I have developed an app. in WSAD using an example that contains CMP and session bean.But i am not able to understand the basic flow between diffrent packages.

2394

What is the method to declare member of a class static?

1025

What is a line break example?

1016

What is persistent state in hibernate?

384

How do you read and print a string in java?

972

What is a profile in spring boot? : Spring Boot

441

What is difference between save and merge in hibernate?

549

What is hibernate save method return?

417

What is serialization and deserialization in java programming?

1001

Discuss the benefit of spring framework?

468

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