Question 2
Because clients cannot access private instance variables of a class, classes usually provide public accessor ( getter ) methods for the instance variables
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20%
Question 3
Explicit casting happens when calculations of mixed types are performed, lower-precision operands are converted, or promoted, to the type of the operand that has the higher precision
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40%
Question 4
When a number of objects are created from the same class blueprint, they each have their own distinct copies of instance variables
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60%