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

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

@@ -199,11 +199,11 @@
         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";
+            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");
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