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Rule 04. Characters and Strings (STR)

Created by Robert Seacord, last modified by David Svoboda on Aug 06, 2025

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Rules

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STR00-J. Don't form strings containing partial characters from variable-width encodings
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STR01-J. Do not assume that a Java char fully represents a Unicode code point
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STR02-J. Specify an appropriate locale when comparing locale-dependent data
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STR03-J. Do not encode noncharacter data as a string
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STR04-J. Use compatible character encodings when communicating string data between JVMs

Risk Assessment Summary

Rule	Severity	Likelihood	Detectable	Repairable	Priority	Level
STR00-J	Low	Unlikely	No	No	P2	L3
STR01-J	Low	Unlikely		Medium	P2	L3
STR02-J	Medium	Probable		Medium	P8	L2
STR03-J	Low	Unlikely		Medium	P2	L3
STR04-J	Low	Unlikely		Medium	P2	L3

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