1.An array is a group of variables, and it can only take the same type values (True/False).
2.The elements of an array can be primitive types, but not reference types(True/False).
3. An index of an array must be int value or a byte, short, or char type value(True/False).
4. Question: what's the difference between int[ ] a, b, c; and int a[ ], b, c; ?
5. What's the difference between byte-based streams and character-based streams (binary file and text file)?
6. Two ways to pass arguments in method calls in many programming languages are call-by-value and call-by-reference.When a method