src/java.base/share/classes/sun/security/x509/IPAddressName.java

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

*** 123,133 ****
       * @throws IOException if name can not be converted to a valid IPv4 or IPv6
       *     address
       */
      public IPAddressName(String name) throws IOException {
  
!         if (name == null || name.length() == 0) {
              throw new IOException("IPAddress cannot be null or empty");
          }
          if (name.charAt(name.length() - 1) == '/') {
              throw new IOException("Invalid IPAddress: " + name);
          }
--- 123,133 ----
       * @throws IOException if name can not be converted to a valid IPv4 or IPv6
       *     address
       */
      public IPAddressName(String name) throws IOException {
  
!         if (name == null || name.isEmpty()) {
              throw new IOException("IPAddress cannot be null or empty");
          }
          if (name.charAt(name.length() - 1) == '/') {
              throw new IOException("Invalid IPAddress: " + name);
          }