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

*** 24,49 ****
--- 24,55 ----
  package java.lang.invoke;
  
  /**
   * StringConcatException is thrown by {@link StringConcatFactory} when linkage
   * invariants are violated.
+  *
+  * @since 9
   */
  public class StringConcatException extends Exception {
      private static final long serialVersionUID = 292L + 9L;
  
      /**
       * Constructs an exception with a message
       * @param msg exception message
+      *
+      * @since 9
       */
      public StringConcatException(String msg) {
          super(msg);
      }
  
      /**
       * Constructs an exception with a message and a linked throwable
       * @param msg   exception message
       * @param cause throwable cause
+      *
+      * @since 9
       */
      public StringConcatException(String msg, Throwable cause) {
          super(msg, cause);
      }
  }