When should I use singleton pattern?
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Why stringbuffer is faster than string?
What method is used to compare two strings ?
what is function overloading in java?
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Can bool be null?
What is meant by JVM? Is JVM platform independent or not?
How TreeMap sorts the objects inside it?? suppose if have include one employee object and one car object. On what basis it will sort?
In Java list the methods that can be overridden?
in a constructor what happen if u call super and this in the same class? i know that it is not possible to call both in the same one? if we call what will happen?
What is the difference between a checked and an unchecked exception?
WHAT IS THE MEANING OF ALL TYPE OF BUZZWORDS?
Difference between association, composition and aggregation?
How do you check if a number is a perfect square?