No, it doesn't have Security manager https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/SecurityManager.html https://docs.oracle.com/en/ja

No, it doesn't have Security manager https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/SecurityManager.html https://docs.oracle.com/en/java/javase/17/docs/api/java.base... and the fact that you mention it means that you haven't used it too, because the tools are screaming in logs that it is deprecated.