convert json to java object

province; } public void Setprovince (String province) { this.province = Province; }}---------------------------------------here to start using-----------Package com.haochedai.util;Import Com.alibaba.fastjson.JSON;Import Com.alibaba.fastjson.JSONObject;Import com.google.common.base.Preconditions;Import Com.haochedai.bean.AreaBean;Import com.haochedai.exception.PcsRunTimeException;Import Org.apache.commons.lang3.StringUtils;Import Org.apache.commons.lang3.builder.ToStringBuilder;I

After using the platform and rarely touch the Java and JS of the underlying code, a few days ago remote to help a new remote debugging code, this Meng new according to the online tutorial to the JSON word representable Java object has been error. The truth is its JSON string

Ublic static void Main (string[] args) {Users users=new users (); Users.setid ("1111"); Users.setname ("Zhang San"); Users.setpassword ("888888"); Users.setaddress ("xxx province"); Users u1=new users (); U1.setid ("2222"); U1.setname ("John Doe"); U1.setpassword ("888888"); U1.setaddress ("xxx province"); Orgs orgs=new orgs (); Orgs.setid ("1111"); Orgs.setname ("xxx Province xxx

JSON (JavaScript Object Notation) is a lightweight data interchange format with good cross-platform features. In recent years, as XML has become a widely used data format in the C/s architecture. For more information on JSON, refer to the following: http://json.org/json-zh.htmlCommunication between the server and clien

In many cases we need to convert an object to a string type. There are generally three ways to achieve this: Object.ToString (), (String) Object, String.valueof (object). Here are the three ways to analyze each First, the use of object.tostring ()The ToString method is a public method of the Java.lang.Object

("successfully created an Object of A");} catch (Exception e) {e. printStackTrace (); System. out. println ("An error occurred while accessing jar to create an Object on the Web! "+ E. toString ());}}} Iii. Problems 1. Why can I directly execute Java Application and access jar and create B's Object and

1. Convert the list of Java objects to an array of JSON objects and move to a stringJsonarray array = jsonarray.fromobject (userlist);String jsonstr = array.tostring ();2. Converting Java objects to JSON objects and converting them into stringsJsonobject

classroomname) { This. Classroomname =Classroomname; } PublicStudent getstudent () {returnstudent; } Public voidsetstudent (Student Student) { This. Student =student; } PublicClassroom (intClassroomid, String classroomname, Student Student) { Super(); This. Classroomid =Classroomid; This. Classroomname =Classroomname; This. Student =student; } PublicClassroom () {Super(); //TODO auto-generated Constructor stub }}Test: ImportJavax.xml.bind.JAXBContext;ImportJavax.xml

Method One: Object.ToString ()Obj.tostring ()Note: you must ensure that object is not a null value, otherwise the NullPointerException exception will be thrown . Method Two: (String) ObjectNew Integer (n= (String) o;Note: The type that needs to be converted must be able to be converted to string , otherwise a calsscastexception exception error occurs. Method Three:string.valueof (Object)When you use String.

= [jsonStr objectFromJSONString];BMClass* c = [[BMClass alloc]initWithDictionary:dic]; The results of the parsed after operation are as follows (Debug):　　Nsarray-type JSON string conversion to an objectIf you get a string that is not of type "{}", but "[]" type, then the above parsing method does not apply, you need tonsdictionary* dic = [Jsonstr objectfromjsonstring];Revision changed tonsarray* array = [Jsonstr objectfromjsonstring];The o