src/java.base/share/classes/java/lang/invoke/MethodHandles.java

rev 52979 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: TBD

*** 199,209 ****
          Module callerModule = lookup.lookupClass().getModule();
          if (!callerModule.canRead(targetModule))
              throw new IllegalAccessException(callerModule + " does not read " + targetModule);
          if (targetModule.isNamed()) {
              String pn = targetClass.getPackageName();
!             assert pn.length() > 0 : "unnamed package cannot be in named module";
              if (!targetModule.isOpen(pn, callerModule))
                  throw new IllegalAccessException(targetModule + " does not open " + pn + " to " + callerModule);
          }
          if ((lookup.lookupModes() & Lookup.MODULE) == 0)
              throw new IllegalAccessException("lookup does not have MODULE lookup mode");
--- 199,209 ----
          Module callerModule = lookup.lookupClass().getModule();
          if (!callerModule.canRead(targetModule))
              throw new IllegalAccessException(callerModule + " does not read " + targetModule);
          if (targetModule.isNamed()) {
              String pn = targetClass.getPackageName();
!             assert !pn.isEmpty() : "unnamed package cannot be in named module";
              if (!targetModule.isOpen(pn, callerModule))
                  throw new IllegalAccessException(targetModule + " does not open " + pn + " to " + callerModule);
          }
          if ((lookup.lookupModes() & Lookup.MODULE) == 0)
              throw new IllegalAccessException("lookup does not have MODULE lookup mode");