In the following syntax, the data type within the square brackets must be ___________
book[datatype]=assignment_value;
a) An integer
b) A String
c) An object
d) Floating point
Answer: b
Explanation: The value inside the square bracket is used to access that data element or the property of the object. When using square bracket notation, the expression inside the square brackets must evaluate to a string or a value that can be converted to a string.
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