Why we go for collections in java?
where exactly collections are usefull in realtime
Suppose there is a System A which gives some output. This output is used as input by system B. The rate at which System A produces is faster than the rate at which system B consumes it. How can you improve this?
Can list be final in java?
How many unicode characters are there?
What is method and methodology?
Can any one say how will sort map objects in java?
where singleton classes are used in j2ee web application.can we use it for connection pooling.
Write a program to find the whether a number is an Armstrong number or not?
What are different types of access modifiers?
When a byte datatype is used?
Differentiate between a constructor and a method? Can we mark constructors final?
What is namespace in java?