Hi....
I applied for the post of scientific
officer/Engineer-SB(Programmer).Please post the syllabus and
sample papers.
No Answer is Posted For this Question
Be the First to Post Answer
Tell me about different OOPS concepts.
Explain how hashmap works?
7) Suppose there is Student class like class student { int age; string name; } We want to store these objects in a HashMap. Do we need to override any methods in Student class? If any which ones and why? what if i just override equals or just hashcode? what will be the results in both the cases?
Define how can we find the actual size of an object on the heap?
What do you understand by casting in java language?
What is the purpose of object oriented programming?
How to synchonise HashMap
Why call by value prevents parameter value change?
Is it possible to specify multiple jndi names when deploying an ejb?
Why is stringbuffer faster than string?
What are the advantages of compiled language?
Explain method local inner classes ?