message: update java doc
diff: @@ -284,7 +284,7 @@ public class PaddleServingClientExample {
  if (args.length < 2) {
  System.out.println("Usage: java -cp <jar> PaddleServingClientExample <test-type> <configPath>.");
  - System.out.println("<test-type>: http_proto grpc bert cube_local yolov4 encrypt");
  + System.out.println("<test-type>: http_proto http_json grpc bert cube_local yolov4 encrypt");
  return;
  }
  String testType = args[0];
  