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

Which package is imported by default?

1100

What are the restrictions imposed on method overriding?

1028

What is hash code collision?

1069

What do you mean by order of precedence and associativity?

965

What is the common usage of serialization? What exceptions occur during serialization?

1146

Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.

943

What are the different ways of creating thread?

1028

What will happen if non-synchronized method calls a static synchronized method and what kind of lock it acquires?

1129

What is the use of volatile in java?

1072

Mention the default values of all the elements of an array defined as an instance variable.

1000

What are the steps in the jdbc connection?

1054

Why singleton pattern is better than creating singleton class with static instance?

1009

Write a code to create a trigger to call a stored procedure

999

What is the difference between preparedstatement and statement in java?

1182

What is the difference between synchronized and synchronized block?

1079

Un-Answered Questions { Java Related }

What is final?

1089

How nested beans can be used in Struts applications?

1022

Explain the difference between hibernate and spring.

375

What is flush () in java?

1024

What access modifiers can be used for class ?

1037

how are methods defined?

1073

Explain url encoding?

1000

What is <> used for in java?

1138

List out benefits of object oriented programming language?

914

Is it possible to stop the execution of a method before completion in a sessionbean?

1115

Write a program in java to calculate the difference between the sum of the odd level and even level nodes of a binary tree.

1077

What is the difference between abstract class and interface1? What is an interface?

1099

Explain the types of hibernate instance states.

379

If you are given a choice to implement the code to either insert a record or update if already exist, which approach will you follow ?

1023

What is the advantage of spring?

419

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