How many ways can an argument be passed to a subroutine and explain them?
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Name the runtime exceptions that occurs frequently?
Is null an object in java?
Objects or references which of them gets garbage collected?
What are the approaches that you will follow for making a program very efficient?
What is a copy constructor in java?
What is the collections api in java programming?
What is the purpose of extern variable?
Explain importance of finally block in java?
How many objects are created when we create String class object using new operator?
Can we override constructors?
what is object type casting? give some example with related?
What is a parameter in matrices?