Kingdom: Code Quality
Poor code quality leads to unpredictable behavior. From a user's perspective that often manifests itself as poor usability. For an attacker it provides an opportunity to stress the system in unexpected ways.
Poor Style: Identifier Contains Dollar Symbol ($)
Abstract
Using a dollar sign ($) as part of an identifier is not recommended.
Explanation
Section 3.8 of the Java Language Specification reserves the dollar sign ($) for identifiers that are used only in mechanically generated source code.
Example 1:
Example 1:
int un$afe;
References
[1] J. Gosling, B. Joy, G. Steele, G. Bracha The Java Language Specification, Second Edition Addison-Wesley
[2] Standards Mapping - Common Weakness Enumeration CWE ID 398
desc.structural.java.poor_style_identifier_contains_dollar_symbol