What does g mean in regex?
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Can a class have 2 constructors?
What is difference between throw and throws ?
Is math an abstract class in java?
if a java file without any source code is valid java file?
Suppose there is an Online shopping cart application having different objects like Cart, SelectionItem, Billing, COnfiguration, Authentication, Authorization, PersonalDetails etc. Out of this which one can be made a singleton pattern and why?
What is a ternary operator in java?
Explain the importance of join() method in thread class?
What is string and example?
Objects or references which of them gets garbage collected?
Can we declare the main method of our class as private?
What is string pooling concept?
what is the use of clone() in real time scenario?