including transient field in gson

Gson_Transient1.java

/*
 * Lic: BSD 3
 */

/*
sample_code_java0
File: Gson_Transient1.java
Created on: Sep 18, 2020 2:33:06 AM
    @author https://github.com/911992
 
History:
    initial version: 0.1(20200918)
*/

package gson;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.annotations.SerializedName;


/**
 * 
 * @author https://github.com/911992
 */
public class Gson_Transient1 {
    public static void main(String[] args) {
        GsonBuilder _gb = new GsonBuilder();
        Gson _g = _gb.create();
        Type _t = new Type();
        _t.setName("911992");
        _t.setPasswd("qwerty");
        String _js = _g.toJson(_t);
        System.out.printf("Json: %s\n",_js);
        Type _t1 = _g.fromJson(_js, Type.class);
        System.out.printf("name:%s , pass:%s\n",_t1.getName(),_t1.getPasswd());
        
//        //manual passwd_non_tran copy to passwd
//        _t1.finish_object_deserializing();
//        System.out.printf("After val-copy name:%s , pass:%s\n",_t1.getName(),_t1.getPasswd());
    }
}


class Type{
    private String name;
    private transient String passwd;
    
    @SerializedName("passwd")
    private String passwd_non_tran;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPasswd() {
        /*if the pass is null, then copy the result of passwd_non_tran*/
        if(this.passwd==null){
            this.passwd = this.passwd_non_tran;
        }
        return passwd;
    }

    public void setPasswd(String passwd) {
        this.passwd = passwd;
        this.passwd_non_tran = passwd;
    }

//    public String getPasswd_non_tran() {
//        return passwd_non_tran;
//    }
//
//    public void setPasswd_non_tran(String passwd_non_tran) {
//        this.passwd_non_tran = passwd_non_tran;
//    }
    
//    public void finish_object_deserializing(){
//        this.passwd = this.passwd_non_tran;
//    }
    
}