Core Java Interview Questions
Questions Answers Views Company eMail

write a program to create an vector with string(add,remove) operation.and value should be enter through keyboard.

Axcend,

1520

write a program to create an arraylist and listeterator.and value should be enter through keyboard.

Axcend,

1 3204

write a program to create an vector and listeterator.and value should be enter through keyboard.

Axcend,

1 2965

What will happen if we write code like: try{}catch(exception e)catch(IOException i)

CTS, TCS,

6 9310

How could Java classes direct program messages to the system console, but error messages, say to a file?

2 8169

Is Java Class Threadsafe ????? How to make Java class Thread safe??

Cognizant,

2 7035

why java does not have operator overloading?

2 4870

difference between java ,c#&java,c++

3 4505

What is diffrance between FINALIZE() & FINALLY ?

Infosys,

2 4346

how we can write the string concatenation program in java.

3 5737

give me the answer of this code class A extnds String This code we can write r not in Java? Explain?

4 4937

is set interface synchronized by default???

Manhattan,

2 6835

1.IN CASE OF DYNAMIC METHOD DISPATCH WHY WE USE REFERENCE VARIABLE,WE CAN USE THE DIFFERENT DEFINED OBJECT DIRECTLY TO ACCESS THE DATA MEMBER AND MEMBER FUNCTION OF THAT RESPECTIVE CLASS?WHAT IS THE MAIN FUNCTION OF "REFERENCE VARIABLE" HERE?

TCS,

2 3855

who can i handle multiple client in RMI

1470

what is difference betwenn Access Specifier and Access Modifier ????

2 4069


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Un-Answered Questions { Core Java }

What are checked exceptions?

610


What are the different types of collections in java?

561


What does the string method compareto () do?

569


What is primitive data type in java?

570


Differences between traditional programming language and object oriented programming language?

598






What are java packages?

616


What is return used for in java?

549


What are the types of relation?

609


What are thread local variables?

591


How do you break a loop?

599


What is data structure in java?

564


What is difference between stringbuffer and string?

526


Can we return null in java?

663


What class allows you to read objects directly from a stream?

914


What is the loop in java?

608