| Other Core Java Interview Questions |
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| Question | Asked @ | Answers |
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| What is meant by JVM ? | | 3 |
| Hi buddy, well i got that there is always a default
constructor with abstract class. OK. But why not with interface?
Thanks in advance. | | 2 |
| What are the Object and Class that classes used for? | | 3 |
| What is the return type of read()? | | 2 |
| How to call a Stored Procedure from JDBC? | Satyam | 2 |
| What is the difference between panel and frame ? | IBM | 4 |
| How to add two numbers with out using Arithmetic , union
operators in java....?
But we can use bitwise operators... but how...?
| CTS | 2 |
| If set accepts only one argument then how can it compare
two objects to avoid duplicates | | 3 |
| What is the middleware? | | 2 |
| Can a for statement loop indefinitely? | | 3 |
| can we write a program with out a class in core java? | Wipro | 5 |
| Explain class A{}
class B{}
class C{}
all the three classes are saved in a single file name, what
the name should i provide to the file ,in what file name
should i run the program? Ple Explain | DNS | 6 |
| What is Connection pooling? Explain Pros and Cons? | | 1 |
| what is mutability?which one is mutable String or StringBuffer?and why?give
examples of each which shows the mutability of each String or StringBuffer | | 2 |
| Can a double value be cast to a byte? | | 3 |
| Difference between String and StringBuffer. | IBM | 3 |
| Can an exception be rethrown? | Wipro | 4 |
| is this possible to create an array of 0 length?
if so how? if not so why?
coz we have an array in main() likw this
"static void main(String [] s) then what it signifies? | Hexaware | 2 |
| If all the methods in abstract class are declared as
abstract then what is difference between abstract class and
in interface? | Synechron | 6 |
| What is the difference between error and exception and
explain in simple words not whatever is given in the book. | | 6 |
| |
| For more Core Java Interview Questions Click Here |
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