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build/extraResources/jre/bin/server/Xusage.txt

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+    -Xmixed           mixed mode execution (default)
+    -Xint             interpreted mode execution only
+    -Xbootclasspath:<directories and zip/jar files separated by ;>
+                      set search path for bootstrap classes and resources
+    -Xbootclasspath/a:<directories and zip/jar files separated by ;>
+                      append to end of bootstrap class path
+    -Xbootclasspath/p:<directories and zip/jar files separated by ;>
+                      prepend in front of bootstrap class path
+    -Xnoclassgc       disable class garbage collection
+    -Xincgc           enable incremental garbage collection
+    -Xloggc:<file>    log GC status to a file with time stamps
+    -Xbatch           disable background compilation
+    -Xms<size>        set initial Java heap size
+    -Xmx<size>        set maximum Java heap size
+    -Xss<size>        set java thread stack size
+    -Xprof            output cpu profiling data
+    -Xfuture          enable strictest checks, anticipating future default
+    -Xrs              reduce use of OS signals by Java/VM (see documentation)
+    -Xcheck:jni       perform additional checks for JNI functions
+    -Xshare:off	      do not attempt to use shared class data
+    -Xshare:auto      use shared class data if possible (default)
+    -Xshare:on	      require using shared class data, otherwise fail.
+
+The -X options are non-standard and subject to change without notice.