src/java.base/share/classes/sun/security/x509/X509CertImpl.java

rev 10521 : 8055723[core]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>

@@ -800,15 +800,15 @@
             return "";
 
         StringBuilder sb = new StringBuilder();
 
         sb.append("[\n");
-        sb.append(info.toString() + "\n");
-        sb.append("  Algorithm: [" + algId.toString() + "]\n");
+        sb.append(info).append('\n');
+        sb.append("  Algorithm: [").append(algId).append("]\n");
 
         HexDumpEncoder encoder = new HexDumpEncoder();
-        sb.append("  Signature:\n" + encoder.encodeBuffer(signature));
+        sb.append("  Signature:\n").append(encoder.encodeBuffer(signature));
         sb.append("\n]");
 
         return sb.toString();
     }