| Other Core Java Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| what is the difference b/w PUT and POST method to send data
to the server | Mind-Tree | 2 |
| What is Connection pooling? Explain Pros and Cons? | | 1 |
| What is the difference between DataInputStream and
BufferedReader | | 1 |
| I have a Person object with 5 variables and I want to store
them in a file called Person.txt. What should I do? | KPIT | 3 |
| To what value is a variable of the Boolean type
automatically initialized? | | 3 |
| What are null interfaces in JAVA ? and give me some
examples? | | 3 |
| how u do unit testing? | iFlex | 2 |
| What is run-time class and system class? what is their
purpose? | | 1 |
| how can we import the user defined package without classpath?
| | 1 |
| Can we add two byte variables and assign the result to a
byte variable ?
b=b1+b2 where b,b1,b2 are byte types | TCS | 3 |
| What is the difference between panel and frame ? | IBM | 3 |
| what is the difference between multitasking and
multithreading? | | 8 |
| Which characters are allowed to use as the second character
of an identifier, and which characters are not allowed? | | 2 |
| can u handle an error if u write Thowable in the catch
class lise
try
{
some errorneous code
}catch(Throwable e){ ...} | | 4 |
| Explain the relationship between the Canvas and Graphics
class? | | 1 |
| Why do inner class cannot have static declaration except
static nested class? | Wipro | 1 |
| What is meant by packages? | | 2 |
| which class to use when concatenating
strings in a loop. | IBM | 2 |
| What is compile time polymorphism? | Elementus-Technologies | 6 |
| If a multi threaded Java program has started numerous number
of threads, at any point in time how to know which thread is
currently executing/running ? | iFlex | 7 |
| |
| For more Core Java Interview Questions Click Here |
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