| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| What is the is a and has a relation ship in oops concept in
java? | BearingPoint | 5 |
| Difference between Superclass and Subclass? | | 2 |
| what is difference between excute query ()and execute update
()? | Symphony | 5 |
| what is mean by method signature? | Satyam | 6 |
| What happens when a main method is declared as private? | Sun-Microsystems | 8 |
| How can be define MARKER interfce in java | | 1 |
| what is polymorphism with example?types of polymorphism? | HP | 6 |
| While opening the file, what type of exceptions can be
caught? | | 3 |
| How the elements are organized in GridLayout? | | 1 |
| why java is not supporting multiple inheritence? | | 3 |
| What are the latest versions in JAVA related areas? | Netcraft | 2 |
| can u handle an error if u write Thowable in the catch
class lise
try
{
some errorneous code
}catch(Throwable e){ ...} | | 4 |
| Difference between Interface & Abstract class? | | 4 |
| What are integer overflows and underflows and how to handle
them? | Wipro | 2 |
| what is mean by overriding in which situation we wil use? | Atlas-Systems | 4 |
| How can you take string into InputStream? | | 3 |
| when asub class inherits a super class and overrides a
public method of super class in sub class(public method in
super class).
why these methods needs to be public in sub class.
(otherwise compile time error). | | 2 |
| How to convert a string to long? | | 2 |
| Can we have a abstract class withought any method? What is a
purspose of this? | | 1 |
| Which of these methods belong to Thread & Object class?
join, yield, sleep, wait, notify | Ericsson | 2 |
| |
| For more Core Java Interview Questions Click Here |
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