Is node a data type in java?
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"we cannot create an object of interface but we can create a variable of it".diacuss the statement with the help of an example.
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 does jenkins do?
Assume a thread has lock on it, calling sleep() method on that thread will release the lock?
What is a java list?
Features of JAVA ? In which version of java synchronizedXXX() methods are included in Collections class.
Can we have 2 main methods in java class?
Does java isempty check for null?
What are the files generated after using IDL to java compiler?
What are the different types of collections in java?
Why Static variable required in java?For ex,class A { static int a; int b; } Why static is required?
What is a "pure virtual" member function?