[英]Print key and value of all items in simple json string to console
我有以下內容,我可以打印出每個屬性。 很簡單,但是有沒有一種簡單的方法可以打印 JSON 字符串中每個項目的鍵和值? 只需在控制台中打印鍵和值。
private static void deserializeUserSimple() {
String userJson = "{\"name\":\"smithy\",\"email\":\"blah@gmail.com\",\"age\":21,\"isDeveloper\":true}";
Gson gson = new Gson();
UserSimple userSimple = gson.fromJson(userJson, UserSimple.class);
// this prints but looking for easy way to print all key and values
System.out.println(userSimple.name);
}
String userJson = "{\"name\":\"smithy\",\"email\":\"blah@gmail.com\",\"age\":21,\"isDeveloper\":true}";
JsonObject convertedObject = new Gson().fromJson(userJson, JsonObject.class);
for(String key:convertedObject.keySet()){
System.out.println("Key - " + key);
System.out.println("Value - " + convertedObject.get(key));
}
Output:
Key - name
Value - "smithy"
Key - email
Value - "blah@gmail.com"
Key - age
Value - 21
Key - isDeveloper
Value - true
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