…es/classes

…rranged

…lass

+ make the related code more readable

…tInterfaceModule

…ch are internal

also hidden JavaClass' constructor as if it's ever instantiated outside JavaSupport's class-value cache it will start to break things badly

…n proxy class

…son typos

... `obj == NEVER` when really unwrapped value was meant to be compared

…Support

…etter id-ing

…eanup of some code

…eArray`

…ltiple threads)

avoid warnings such as rb:42 warning: already initialized constant JavaUtilConcurrent

probably related to jruby#2014

…ethod

... has a desired side effect of improving "initial" performance
due not re-raising ClassNotFoundExceptions within the Ruby runtime

they also will no longer be reported by the runtime with log.exeptions=true

- only pass context to (internal) getTopLevelProxyOrPackage method
- setupJavaClass does not need a java_class argument (it's not used)
- only intern string on addMethod (although it's likely redundat there as well)

…vel's method

…const_set

…me up the stack

... it very likely never-ever trimmed anything

…th accordingly)

…t at all needed

also (package) "internalized" JavaClass.getRubyArray as toRubyArray

…& also :

- invoke implementation now avoids unnecessary System.arraycopy call
- pre-maturily optimized some from "excessive" getRuntime() invocations

…ARRAY_CLASS

…etter readability

…erited ones

…t just refs

…k - no need to sync

…ting up proxy

…r methods

…asier to read

…cks for singleton

…ess synchronized

… imports

… - re-arranged privates