September 2011
Intermediate to advanced
744 pages
14h 50m
English
book
The CERT® Oracle® Secure Coding Standard for Java™
by Fred Long, Dhruv Mohindra, Robert C. Seacord, Dean F. Sutherland, David Svoboda
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Chapter 5. Numeric Types and Operations (NUM)
Rules
Risk Assessment Summary
NUM00-J. Detect or prevent integer overflow
Programs must not allow mathematical operations to exceed the integer ranges provided by their primitive integer data types. According to the Java Language Specification (JLS), §4.2.2, “Integer Operations” [JLS 2005]:
The built-in integer operators do not indicate overflow or underflow in any way. Integer operators can throw a NullPointerException if unboxing conversion of a null reference is required. Other than that, the only ...
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