The Common Weakness Enumeration CWE-1123 warns against the excessive use of self-modifying code. Java developers should act with caution.

Several Java libraries and tools can help prevent CWE-22 vulnerabilities by providing robust input validation, path normalization, and security mechanisms, including –: ...

Some reports from SDK users, including one entry at Gizmodo, note that Apple may not enforce the background application rule in code: halting the application suspend function may work.