src/java.base/share/classes/java/lang/Class.java

*** 205,216 ****
       * Returns a string describing this {@code Class}, including
       * information about modifiers and type parameters.
       *
       * The string is formatted as a list of type modifiers, if any,
       * followed by the kind of type (empty string for primitive types
!      * and {@code class}, {@code enum}, {@code interface}, or
!      * <code>@</code>{@code interface}, as appropriate), followed
       * by the type's name, followed by an angle-bracketed
       * comma-separated list of the type's type parameters, if any,
       * including informative bounds on the type parameters, if any.
       *
       * A space is used to separate modifiers from one another and to
--- 205,216 ----
       * Returns a string describing this {@code Class}, including
       * information about modifiers and type parameters.
       *
       * The string is formatted as a list of type modifiers, if any,
       * followed by the kind of type (empty string for primitive types
!      * and {@code class}, {@code enum}, {@code interface},
!      * <code>@</code>{@code interface}, or {@code record} as appropriate), followed
       * by the type's name, followed by an angle-bracketed
       * comma-separated list of the type's type parameters, if any,
       * including informative bounds on the type parameters, if any.
       *
       * A space is used to separate modifiers from one another and to
*** 232,241 ****
--- 232,242 ----
       * @return a string describing this {@code Class}, including
       * information about modifiers and type parameters
       *
       * @since 1.8
       */
+     @SuppressWarnings("preview")
      public String toGenericString() {
          if (isPrimitive()) {
              return toString();
          } else {
              StringBuilder sb = new StringBuilder();
*** 262,271 ****
--- 263,274 ----
                  if (isInterface()) { // Note: all annotation types are interfaces
                      sb.append("interface");
                  } else {
                      if (isEnum())
                          sb.append("enum");
+                     else if (isRecord())
+                         sb.append("record");
                      else
                          sb.append("class");
                  }
                  sb.append(' ');
                  sb.append(getName());