What is return null in java?
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Write a program in java to create a doubly linked list containing n nodes.
What is the purpose of the system class in java programming?
I was asked to draw the class diagram for the below scenario which should obey OOPS concept. A Portal is to be developed for a school , which has 3 main divisions viz , Education , Admin & Trust. Each division has 2 sub divisions Kinder Garden & Higer Secondary.
What is 3-tier model?
What is a website container?
Which class has no duplicate elements?
Why do we use regex?
Is this valid in java ? Can we instantiate interface in java?
If we allocate the memory using 'new' & de-allocated using 'free' then what will happen?
What is your platform’s default character encoding?
Why are there no global variables in java?
What is class array in java?