Difference between object and reference?
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What is left shift and right shift?
What is == in java?
If a class is declared without any access modifiers, where may the class be accessed in java programming?
what is actual real time using of oops concepts in projects(Interface,polymorphism.abstraction.........)
What is data type modifier?
If an application has multiple classes in it, is it okay to have a main method in more than one class?
Why packages are used?
What is primitive data type in java?
Is array an object in java?
What is a string what operation can be performed out with the help of a string?
what is the difference between the "protected and default" modifiers?
What is keyword auto for?