Explain the term virtual machine?
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Is arraylist a class in java?
Can we pass a primitive type by reference in java? How
How to sort elements in a parallel array in java?
What are the rules for variable declaration?
What are some characteristics of interference class?
Explain Global variables in Packages?
What is a boolean expression in java?
In collection sorting comparable and comparator interface will be used..but why this two interfaces required..two will work same purpose so why there are two interfaces instead of one?when to use comparator and when to use comparable?
Can we access instance variables within static methods ?
Can an interface extend another interface?
can u give one sinario when you use Abstract Class and When you use Interface.
What does exclamation mean in java?