src/java.base/share/classes/java/net/URI.java

*** 501,511 ****
  {
  
      // Note: Comments containing the word "ASSERT" indicate places where a
      // throw of an InternalError should be replaced by an appropriate assertion
      // statement once asserts are enabled in the build.
! 
      static final long serialVersionUID = -6052424284110960213L;
  
  
      // -- Properties and components of this instance --
  
--- 501,511 ----
  {
  
      // Note: Comments containing the word "ASSERT" indicate places where a
      // throw of an InternalError should be replaced by an appropriate assertion
      // statement once asserts are enabled in the build.
!     @java.io.Serial
      static final long serialVersionUID = -6052424284110960213L;
  
  
      // -- Properties and components of this instance --
  
*** 1775,1784 ****
--- 1775,1785 ----
       * method of the given object-output stream is invoked. </p>
       *
       * @param  os  The object-output stream to which this object
       *             is to be written
       */
+     @java.io.Serial
      private void writeObject(ObjectOutputStream os)
          throws IOException
      {
          defineString();
          os.defaultWriteObject();        // Writes the string field only
*** 1792,1801 ****
--- 1793,1803 ----
       * then parsed in the usual way.
       *
       * @param  is  The object-input stream from which this object
       *             is being read
       */
+     @java.io.Serial
      private void readObject(ObjectInputStream is)
          throws ClassNotFoundException, IOException
      {
          port = -1;                      // Argh
          is.defaultReadObject();