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HCL Core Java Interview Questions
Questions Answers Views Company eMail

what is webservices?

 1 6671

Which all r Final classes in java except string?

 5 33564

string is immutable? right every one knows that, my question is it advantage or disadvantage making string immutable?

 5 10036

whats string ?

 10 10463

what is bmg file and how to create that files?what will it contailn?

 2102

what is main purpose of interface?

 2 13614

Can we place the any object to key attribute of HashMap?

 4 18102

StringBuilder s = new StringBuilder("Hello Mom");s.append(",I mean,Mother"); Response.Write(s.ToString()); String s = "Hello Mom"; s+ = ",I mean Mom"; Response.Write(s); Which is faster ? which uses the most memory?

 6 7889

In method overloading ,if i change the return type to Long instead of INT,is the program execute

 6 10729

wat is class level lock and object level lock

 3 21528

is it possible to add a object in a HASHMAP

 6 8747

why use interface? if interface declear a method implement in class. why direct implement method in class

1 2325

There can be a abstract class without abstract methods, but what is the need to declare a class abstract if it doesn't contain abstract methods?

 5 8215

Advantages of Inheritance in java.

 11 35869

What are the types of classes in java?

 4 8419

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HCL Core Java Interview Questions


Un-Answered Questions

Android ui is threadsafe? Is it true or false?

678

What are the events in ABAP language?

786

What is white box testing, and what are the various techniques?

880

Is mongodb support acid transactions?

1

Can two websites have same ip address?

772




Why do we use vector in c++?

765

What is application server node?

327

What is function group? Difference between function group and function module?

181

I have many listboxes in my application. I have to check whether the contents inside the listboxes are in sorted order or not..can anyone please send the code as early as possible

1641

Name an api used for logging in java?

680

Where to find ntwdblib.dll version 2000.80.194.0?

743

What is if isna vlookup?

449

List some official packages provided by laravel?

473

List out what are the build phases in Maven?

375

Explain what if rack 2 and datanode fails?

441