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src/java.base/share/classes/sun/reflect/generics/scope/DummyScope.java

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@@ -27,13 +27,13 @@
 
 import java.lang.reflect.TypeVariable;
 
 /**
  * This class is used to provide enclosing scopes for top level classes.
- * We cannot use <tt>null</tt> to represent such a scope, since the
+ * We cannot use {@code null} to represent such a scope, since the
  * enclosing scope is computed lazily, and so the field storing it is
- * null until it has been computed. Therefore, <tt>null</tt> is reserved
+ * null until it has been computed. Therefore, {@code null} is reserved
  * to represent an as-yet-uncomputed scope, and cannot be used for any
  * other kind of scope.
  */
 public class DummyScope implements Scope {
     // Caches the unique instance of this class; instances contain no data

@@ -51,11 +51,11 @@
         return singleton;
     }
 
     /**
      * Lookup a type variable in the scope, using its name. Always returns
-     * <tt>null</tt>.
+     * {@code null}.
      * @param name - the name of the type variable being looked up
      * @return  null
      */
     public TypeVariable<?> lookup(String name) {return null;}
 }
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