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

What is run time polymorphism?

eClerx, Elementus Technologies,

6 18858

why is multiple inheritance not allowed in java?

Elementus Technologies, Huawei, Infosys,

7 16044

What is the ResourceBundle?

Elementus Technologies,

2 6872

Hey buddy.. can you please tell me about the use of marker interface? And is there any link between marker interface and factory methods? Thanks in advance.

2 6471

Hi, well i am unable to understand that why it is mandatory to have same hashcode, if two objects are same? Thanks in advance.

5 7305

Hi buddy, well i got that there is always a default constructor with abstract class. OK. But why not with interface? Thanks in advance.

2 5197

hi to all. well can you please tell me that why String class is immutable? Thanks in advance.

Huawei,

5 9869

1).Is Object class abstract or not? 2).Is main method(public static void main(String args[])low priority thread or high priority thread?

TCS,

3 10347

1).what is the difference between below examples String s="vijay"; String s=new String("vijay");

Mascon, Satyam, TCS,

12 19656

what are the different access specifiers that can be used by interfaces and abstract classes? can anyone give me detailed description on this

IBM, L&T,

11 25124

How will you create the class for the following scenario? Employees under one employee?

Bally Technologies,

2 6639

Can we override static methods?

Bally Technologies,

18 30945

Difference between flush() and commit() in hibernate?

Bally Technologies,

2 22349

what is generics in jdk1.5?

Bally Technologies,

2 10315

Write the code for Palindrome ?

Bally Technologies,

2 6467

Un-Answered Questions { Java Related }

Is sessionfactory thread safe in hibernate?

370

What are different environments to configure hibernate?

450

In which condition is one to many relationship used?

367

Explain a situation where finally block will not be executed?

1063

Is odbc an api?

1068

What are the inheritance mapping strategies?

469

What is singleton class example?

1051

What are the differences between servlet context vs servlet config?

1111

Tell me what are the ways in which weblogic servers can run on multiple machines?

1098

What is the static keyword?

1104

What is the benefit of having jdbcrowset implementation?

945

What is a class reference?

1124

Which dependency injection is used for a mandatory dependency?

388

What is the difference between inner class and nested class?

1113

What is lazy initialization in java?

1027

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