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int i = // initialize to user supplied value if ((i >= 0) && ((i++) <= Integer.MAX_VALUE)) { // ... } |
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if (data != null && i < data.length && data[i] != -1) ... |
This code snippet sequentially executes the subexpressions while avoiding an array indexing exception resulting from the checks that execute prior to the last subexpression.
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Search for vulnerabilities resulting from the violation of this rule on the CERT website.
References
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\[[JLS 05|AA. Java References#JLS 05]\] Sections [15.23|http://java.sun.com/docs/books/jls/third_edition/html/expressions.html#15.23] "Conditional-And Operator &&" and [15.24|http://java.sun.com/docs/books/jls/third_edition/html/expressions.html#15.24] "Conditional-Or Operator ||" \[[Flanagan 05|AA. Java References#Flanagan 05]\] 2.5.6. Boolean Operators |
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