RFR: JDK-6725221 Standardize obtaining boolean properties with defaults

[Roger Riggs]

On Tue, 10 May 2022 19:24:24 GMT, Mark Powers <duke at openjdk.java.net> wrote:

>> src/java.base/share/classes/java/lang/reflect/AccessibleObject.java line 777:
>> 
>>> 775:         if (!printStackPropertiesSet && VM.initLevel() >= 1) {
>>> 776:             printStackWhenAccessFails = GetBooleanAction.
>>> 777:                 privilegedGetProperty("sun.reflect.debugModuleAccessChecks");
>> 
>> Running with `-Dsun.reflect.debugModuleAccessChecks` should set printStackWhenAccessFails to true, not false.
>
> You are right. The old way maps the null string to true, and the new way maps it to false. I did not notice that. At this point, I see no value in making the "true".equals and "false".equals changes. Too much can break. I'll reverse these changes.

This change still needs to be reversed.

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PR: https://git.openjdk.java.net/jdk/pull/8559