https://developers.google.com/search/docs/guides/intro-structured-data Structured data refers to kinds of data with a high level of organization, such as information in a relational database. When information is highly structured and predictable, sea…
public class ForMatJSONStr { public static void main(String[] args) { String jsonStr = "{\"id\":\"1\",\"name\":\"a1\",\"obj\":{\"id\":11,\"name\":\"a11\",\"array\&qu…