src/java.base/share/classes/sun/security/ssl/SupportedEllipticCurvesExtension.java

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rev 10552 : 8055723[core]: Replace concat String to append in StringBuilder parameters
Contributed-by: Otavio Santana <otaviojava@java.net>

@@ -111,11 +111,11 @@
     }
 
     @Override
     public String toString() {
         StringBuilder sb = new StringBuilder();
-        sb.append("Extension " + type + ", curve names: {");
+        sb.append("Extension ").append(type).append(", curve names: {");
         boolean first = true;
         for (int curveId : curveIds) {
             if (first) {
                 first = false;
             } else {

@@ -136,11 +136,11 @@
             } else if (curveId == ARBITRARY_PRIME) {
                 sb.append("arbitrary_explicit_prime_curves");
             } else if (curveId == ARBITRARY_CHAR2) {
                 sb.append("arbitrary_explicit_char2_curves");
             } else {
-                sb.append("unknown curve " + curveId);
+                sb.append("unknown curve ").append(curveId);
             }
         }
         sb.append("}");
         return sb.toString();
     }