What are decalarations?
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Explain the selection sort algorithm and state its time complexity?
What are the rules for variable declaration?
What classes can be used to store arbitrary number of objects ?
How to do validation of the fields in any project ?
why the constructor should be used in class,if there is no constructor what will happen?
When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?
What is abstract class constructor called?
When is finally block not called?
What is preflight request?
Difference between string, stringbuffer and stringbuilder?
What primitive Java types? Howmany are they and what are their names?
what are upcasting and downcasting?