src/java.base/share/classes/java/security/cert/PKIXCertPathValidatorResult.java

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

@@ -148,12 +148,12 @@
      *         {@code PKIXCertPathValidatorResult}
      */
     public String toString() {
         StringBuilder sb = new StringBuilder();
         sb.append("PKIXCertPathValidatorResult: [\n");
-        sb.append("  Trust Anchor: " + trustAnchor.toString() + "\n");
-        sb.append("  Policy Tree: " + String.valueOf(policyTree) + "\n");
-        sb.append("  Subject Public Key: " + subjectPublicKey + "\n");
-        sb.append("]");
+        sb.append("  Trust Anchor: ").append(trustAnchor).append('\n');
+        sb.append("  Policy Tree: ").append(policyTree).append('\n');
+        sb.append("  Subject Public Key: ").append(subjectPublicKey).append('\n');
+        sb.append(']');
         return sb.toString();
     }
 }