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

I have a string like _a01_a02_a03_ and another string like _2_1.5_4_ as input.I want to extract a01,a02... to a string array and 2,1.5,etc to a double array with a01 corresponds to 2 and a02 to 1.5 etc. Need code in core java.. Can you do it?

Cognizant,

1 4441

write a program that list all permutations of ABCDEF in which A appears before B?

Nissan,

1 2550

what is the difference between System.out.println and out.println in java

CTS,

10 30257

why an outer class cannot be declared as private?

2 4412

how to create Calculator GUI using Gridbaglayout as like as Window Calculator??????????? (Open calculator Go-->Run-->type calc-->Enter)

TCS,

1 10243

how java is os independent language ?

3 5677

What is abstraction with strong example program? (not a general program)

3 6687

Why Java is called as purely platform independent..? Explain briefly..dont Give regular answers Explain with your own example..?

Nokia,

8 33362

Can any one say how will sort map objects in java?

TCS,

2 5323

How can u create the Object of class Without using "New" opertor?

IBM, TCS,

3 8668

How can two threads be made to communicate with each other?

HCL,

3 9064

why are using HttpServlet in realtime projects and why are not using Genericservlet

2 9486

what is the difference between servlets and struts?

3 30868

why are extending GenericServlet and why are extending HttpServlet explain?

7 13265

what is the difference between doGet() and doPost()?

TCS,

6 15732

Un-Answered Questions { Java Related }

Are jvm’s platform independent?

970

What is latest hibernate version?

484

Differentiate between static and non-static methods in java.

1115

Hi frnd can i any one kindly can post for me portlet,hibernate and spring example application and with flow explantion configuration using Jdeveloper.and related links ar tutorials kindly please send me .its urgent for me .thanks in advance...........else can any one send to kondaiah.goddeti@gmail.com

2256

How can you inject java collection in spring?

501

What is an object in java and how is it created?

1120

i want test pattern of zylog company and some examples also

2855

What is the first argument of the string array in main method?

1024

Realized?

2249

What is lazy class?

478

What is java string pool?

1072

what are the different modes of archival? Explain each mode in two lines each?

992

What do you mean by an interface in java?

1095

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

2413

what is reflection api? How are they implemented?

1097

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