Pearson eText for Concepts of Programming Languages -- Instant Access (Pearson+)
12th Edition
ISBN: 9780135102268
Author: Robert Sebesta
Publisher: PEARSON+
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Chapter 2, Problem 35RQ
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The characteristics of C that make it less safe than Pascal:
C was insecure compared to Pascal due its lack of complete type checking and management of pointers.
- Pascal has a better ability to detect type-related errors at compile time, whereas C allows more flexible handling of mixed data-types when required.
- A language is strongly typed if:
- (1) Every object in the language belongs to exactly one type.
- (2) Type conversion occurs by converting a value from one type to another.
- Conversion does not occur by viewing the representation of a value as a different type.
- Although C is a typed language, it is not strongly typed whereas Pascal comes close to a strongly typed language.
- For example in C, functions can be written and parameters types were not all checked until C version C99...
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Pearson eText for Concepts of Programming Languages -- Instant Access (Pearson+)
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