+ try {
+ FileWriter one_file = new FileWriter("one.json", true);
+ one_file.write(onetrip);
+ one_file.flush();
+ FileWriter two_file = new FileWriter("two.json", true);
+ two_file.write(twotrip);
+ two_file.flush();
+ } catch (Exception e) {
+ }
+ System.out.printf("json error\n");