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 are the advantages of arraylist over arrays?

1116

Which class represents the socket that both the client and server use to communicate with each other?

1055

What is the difference between yielding and sleeping?

1135

What are the access modifiers in java?

1057

Break statement can be used as labels in java?

1024

What are encapsulation, inheritance and polymorphism?

1035

I want my class to be developed in such a way that no other class (even derived class) can create its objects. Define how can I do so?

1190

Difference between static and dynamic class loading.

1146

How can we find the actual size of an object on the heap?

1330

Does java allow default arguments?

1014

Define how does a try statement determine which catch clause should be used to handle an exception?

1188

Can we have static methods in an interface?

1074

What is the difference between a break statement and a continue statement?

1057

What is the collections api?

1068

What is the list interface?

1094

Un-Answered Questions { Java Related }

How can I write to the log used by DriverManager and JDBC drivers?

1018

What are the spring containers?

531

What is boolean data type in java?

1008

Why swing components are called lightweight components?

984

What are the 3 levels of orm?

413

What are important spring projects?

445

Several types of log files in the appserver?

951

What is resultset?

1015

Can you send an authentication error from a servlet?

991

What is the RMI and Socket?

1073

Write a method to check if input string is palindrome?

1034

Is it possible to perform collection mapping with one-to-one and many-to-one?

355

Why is string builder not thread safe?

1082

What is difference between opensession and getcurrentsession?

392

How java is used in web applications?

956

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