Java Related Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Java J2EE (14736)
J2ME (151)
Java Related AllOther (507)

Java Related Interview Questions

Questions Answers Views Company eMail

why interfaces are faster than abstract classes?

4 20363

how to call a method in different package?

4 20820

Q1. A. Write note on "The class path Environment Variable". B. Which are different kinds of source code? Q2. A. How to create an interface? B. Why convert an applet to an application? Q3. A. How to use Media tracker Class. B. How to use string tokenizer class. Q4. A. Explain the overview of UDP messaging. B. Difference between SQL Exception class and SQL Warning class. Q5. A. How to create com object in Java? B. Write short notes on "The properties class" Q6. A. When object is created and destroyed? B. Explain the JDB in depth & command line. C. Write short notes on Web Sites.

1 5859

How to create two different thread class inside a main function?

1 5231

does j2ee means advanced java

10 24812

why we are using XML?

TCS,

14 27492

Can i use constructor in Action Class?If yes how?

8 17090

When wil use singleton class in Struts

7 18352

What is Model 1 and Model 2?

3 7412

What is the difference between Eclipse and MyEclipse?

IBM, Wavex,

7 41316

What is IOC in spring?

Centris,

10 34813

What is difference between Application Server and Web Server?

Logica CMG, SCS,

1 5088

What is forward() and include() of servlets RequestDispatcher interface?

HCL,

6 23311

why String class is immutable.

iGate,

5 13871

How to sort a vector elements that contains the user define class object? (Note: If Suppose consider, A Student class contain two data members. They are String studentName and int rollNo. I am creating Four objects for this class, each object contains students details like name and roll no. Now i am storing that objects in vector and if i retiving the elements from the vector means then it should be display in sorting order)

ProdEx Technologies,

3 8898

Un-Answered Questions { Java Related }

What is a hashmap used for?

1270

Difference between RUN command and Functional maps?

968

What is difference between request and prototype scope in spring?

453

What is a non-durable topic subscriber?

1016

What’s the difference between @component, @repository & @service annotations in spring?

444

Which class of struts is responsible to converts data types from string and vice versa?

1099

How to handle exceptions in spring mvc environment?

444

Which package contains jdbc api?

1063

What is meant by annotation in java?

1007

What is maven in java?

938

Name few java.lang classes introduced with java 8 ?

1007

Does apple use java?

966

What are keywords in programming?

1028

What is difference struts and spring?

447

What are the limitations of hibernate?

473

For More Un-Answered { Java Related } Questions Click Here