Which compiler is used in java?
What is the ear file?
Why java is oop language?
How many types of modules is defined by j2ee specification?
Why do we use j2ee?
Is java important for my computer?
What is declaration?
What is full form of j2ee?
What is java listener?
for example we are login into the irctc server from there it will go to the selected bank and deduct amount and come back to the irctc. so if we are developing this in java means will it be run on the same session. but as per my knowledge bank is separate and irctc is separate URL's so it will use two different sessions then how it is maintaining same session through out application and even it uses the payment gateway? how it is working can any one help me on that??
What is difference between j2ee and java?
How many types of constructors are there in java?
What is external entity?