ArrayList 遍历与TypeToken的使用，arraylisttypetoken

ArrayList 遍历与TypeToken的使用，arraylisttypetoken

import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import org.json.JSONObject;

import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public void toTest(View view) {


    //TestGeneric<String> t = new TestGeneric<String>();

    ArrayList<String> arrayList = new ArrayList<String>();

    //arrayList.setValue("Alo");

    arrayList.add("123,456");
    arrayList.add("789,abc");
    Type type = new TypeToken<ArrayList<String>>(){}.getType();
    Gson gson = new Gson();
    String json = gson.toJson(arrayList, type);

    //String gStr = GsonUtils.gson.toJson(t,type);
    System.out.println(json);
    ArrayList<String> t1 = gson.fromJson(json, type);


    Iterator it1 = arrayList.iterator();
    while(it1.hasNext()){
        System.out.println(it1.next());
    }

    for(Iterator it2 = arrayList.iterator();it2.hasNext();){
        System.out.println(it2.next());
    }

    for(String tmp:arrayList){
        System.out.println(tmp);
    }

    //方法4
    for(int i = 0;i < arrayList.size(); i ++){
        System.out.println(arrayList.get(i));
    }


    System.out.println(t1.get(0));
    System.out.println(t1.get(1));

}