What is the concatenation operator in java?
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Which of the following can be referenced by a variable? A. The instance variables of a class only B. The methods of a class only C. The instance variables and methods of a class
Does java initialize arrays to zero?
Which package is imported by default?
How can you generate random numbers in java?
How do you sort data in java?
What is strings in java?
What are the two parts of a conditional statement?
What are the different types of garbage collectors in java?
The class "Class" is belongs to which package?? a) java.lang b)java.lang.reflect c)java.util d)None
What happens when a class is made static like if a field or member is made static it becomes class variable and is shared by all the object of the class?
What is gc()?
What is Collection interface?