src/share/classes/java/lang/System.java

rev 6517 : 8006627: Performance improvements to UUID(String) and UUID.toString();
Contributed-by: Steven Schlansker <stevenschlansker@gmail.com>

*** 1216,1225 ****
--- 1216,1231 ----
                  return t.getStackTraceDepth();
              }
              public StackTraceElement getStackTraceElement(Throwable t, int i) {
                  return t.getStackTraceElement(i);
              }
+             public String createStringSharedChars(char[] chars) {
+                 return new String(chars, true);
+             }
+             public int formatUnsignedLong(long val, int shift, char[] buf, int offset, int len) {
+                 return Long.formatUnsignedLong(val, shift, buf, offset, len);
+             }
          });
      }
  
      /* returns the class of the caller. */
      static Class<?> getCallerClass() {