What is a line separator in java?
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what is check p object in java
What is the difference between a switch statement and an if statement?
Does collectionutils isempty check for null?
worst case complexities of Quick sort and Merge sort.
What is the benefit of abstract class?
What is a lambda expression ? What's its use ?
Give some features of interface?
What is listnode in java?
how can we synchronize Hash map?
What is autoboxing and unboxing?
Difference between == and .equals() ?
Every class extends object but why it is not possible for every object to invoke clone() method. ideally protected methods should be accessible from sub classes. isn't it?