src/share/classes/com/sun/jndi/dns/Resolver.java

@@ -123,12 +123,11 @@
                 if (rrs.answer.size() > 0) {    // found zone's SOA
                     return fqdn;
                 }
                 // Look for an SOA record giving the zone's top node.
                 for (int i = 0; i < rrs.authority.size(); i++) {
-                    ResourceRecord rr = (ResourceRecord)
-                        rrs.authority.elementAt(i);
+                    ResourceRecord rr = rrs.authority.elementAt(i);
                     if (rr.getType() == ResourceRecord.TYPE_SOA) {
                         DnsName zone = rr.getName();
                         if (fqdn.endsWith(zone)) {
                             return zone;
                         }

@@ -150,11 +149,11 @@
             throws NamingException {
 
         ResourceRecords rrs = query(zone, rrclass, ResourceRecord.TYPE_SOA,
                                     recursion, false);
         for (int i = 0; i < rrs.answer.size(); i++) {
-            ResourceRecord rr = (ResourceRecord) rrs.answer.elementAt(i);
+            ResourceRecord rr = rrs.answer.elementAt(i);
             if (rr.getType() == ResourceRecord.TYPE_SOA) {
                 return rr;
             }
         }
         return null;

@@ -173,12 +172,11 @@
         ResourceRecords rrs =
             query(zone, ResourceRecord.CLASS_INTERNET, ResourceRecord.TYPE_NS,
                   recursion, false);
         String[] ns = new String[rrs.answer.size()];
         for (int i = 0; i < ns.length; i++) {
-            ResourceRecord rr = (ResourceRecord)
-                rrs.answer.elementAt(i);
+            ResourceRecord rr = rrs.answer.elementAt(i);
             if (rr.getType() != ResourceRecord.TYPE_NS) {
                 throw new CommunicationException("Corrupted DNS message");
             }
             ns[i] = (String) rr.getRdata();