utilisation de String.repeat(...) au lieu d'un for (Java 11 requis)

gson/gson/src/test/java/com/google/gson/JsonParserTest.java

@@ -96,9 +96,7 @@ public class JsonParserTest {
 
   private static String repeat(String s, int times) {
     StringBuilder stringBuilder = new StringBuilder(s.length() * times);
-    for (int i = 0; i < times; i++) {
-      stringBuilder.append(s);
-    }
+    stringBuilder.append(s.repeat(times));
     return stringBuilder.toString();
   }