src/java.base/share/classes/sun/security/x509/X500Name.java

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

@@ -863,11 +863,11 @@
      * This method can parse RFC 1779, 2253 or 4514 DNs and non-standard 5280
      * keywords. Additional keywords can be specified in the keyword/OID map.
      */
     private void parseDN(String input, Map<String, String> keywordMap)
         throws IOException {
-        if (input == null || input.length() == 0) {
+        if (input == null || input.isEmpty()) {
             names = new RDN[0];
             return;
         }
 
         List<RDN> dnVector = new ArrayList<>();

@@ -935,11 +935,11 @@
         Collections.reverse(dnVector);
         names = dnVector.toArray(new RDN[dnVector.size()]);
     }
 
     private void parseRFC2253DN(String dnString) throws IOException {
-        if (dnString.length() == 0) {
+        if (dnString.isEmpty()) {
             names = new RDN[0];
             return;
          }
 
          List<RDN> dnVector = new ArrayList<>();