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

can we have virtual functions in java?

Wipro,

11 47879

What is more advisable to create a thread, by implementing a Runnable interface or by extending Thread class?

5 11662

what's diff between struts 1.1 & 1.2

Wipro,

3 26237

can u explain about design patterns like singleton,builder,factory

EdgeSoft,

1 2423

why applet doesn't have main? isn't possible a program with out main?

TCS,

9 22637

In my project i need to use either JSF or Struts.Here i need some clarification about them and which IDE is better for JSF development? Please post your valuble answers ASP!

Infosys,

4 7691

what is an virtual function

TCS,

2 6242

what is the difference b/w design pattern and architecture

Covansys,

4 9469

wa is connection pooling? how do u create connection pooling?wat is use connection pooling?

Covansys,

1 6358

What is emant by API? is it related to java only or it is common for all OOPS supporting language?

3 5909

What is means by DLL file means ? What is the use of DLL file? What are the contents of DLL file?

4 13225

what is BUSINESS DELIGATE PATTERN,DAO,VO,DTO?

BOB Technologies, TCS,

6 29057

without using arthematic operation ,how can you write the logic for adding/substraction/multiplication?

Tanla Solutions, Wipro,

7 14018

How to create an instance of a class if the class has private constructor?

3 9764

what is an ejb object?

Bally Technologies, HCL, Siemens,

5 20495

Un-Answered Questions { Java Related }

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126

Are jvm’s platform independent?

970

What do you understand by casting in java language? What are the types of casting?

922

What is latest hibernate version?

484

How to create a base64 decoder in java8?

1126

How does java handle integer overflows and underflows?

1105

what is reflection api? How are they implemented?

1097

Realized?

2249

Is minecraft 1.15 out?

1034

What is lazy class?

478

What is a constructor overloading in java?

1119

Write a program to find the whether a number is an Armstrong number or not?

1093

What if I write static public void instead of public static void?

927

What is action chaining ?

1156

What is a classloader in java?

1080

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