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

Java J2EE (14736)
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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 4437

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

Nissan,

1 2542

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

CTS,

10 30233

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 10239

how java is os independent language ?

3 5671

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

3 6683

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

Nokia,

8 33341

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 8665

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

HCL,

3 9063

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

2 9485

what is the difference between servlets and struts?

3 30866

why are extending GenericServlet and why are extending HttpServlet explain?

7 13259

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

TCS,

6 15722

Un-Answered Questions { Java Related }

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

1120

How to create a base64 decoder in java8?

1123

what is reflection api? How are they implemented?

1093

Are jvm’s platform independent?

965

How to sort array in descending order in java?

980

hi actully i hav form columns with origin and destination names .as like as i need to create one more column with name amount. my requirement is when i select origin and destination columns automatically i need to get amount from database.how can i. please tel me with relative code

2854

What is latest hibernate version?

482

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

1093

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

990

How is declarative handling of exceptions done in struts ?

999

Differentiate between static and non-static methods in java.

1113

Is minecraft 1.15 out?

1032

Realized?

2248

How can you inject java collection in spring?

500

What do you know about validation plugin ?

1019

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