why i have "Error:(57, 21) error: reached end of file while parsing" :     this is the code i use the android studio

> “Error:(57, 21) error: reached end of file while parsing”
> “Error:(57, 21) error: reached end of file while parsing”
> “Error:(57, 21) error: reached end of file while parsing”
> “Error:(57, 21) error: reached end of file while parsing”
 


    package com.bilalbenzine.hotel;
    
    import android.content.ContentValues;
    import android.content.Intent;
    import android.net.Uri;
    import android.os.Bundle;
    import android.os.PersistableBundle;
    import android.support.annotation.Nullable;
    import android.support.v7.app.AppCompatActivity;
    import android.view.View;
    import android.widget.Button;
    import android.widget.EditText;
    import android.widget.Toast;
    
    import com.google.android.gms.appindexing.Action;
    import com.google.android.gms.appindexing.AppIndex;
    import com.google.android.gms.appindexing.Thing;
    import com.google.android.gms.common.api.GoogleApiClient;
    
    import io.realm.Realm;
    
    /**
     * Created by hmito on 04/04/2017.
     */
    
    public class add_hotel extends AppCompatActivity {
    
        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.add_hotel);
    
            final EditText name=(EditText)findViewById(R.id.name_hotel);
            final EditText place=(EditText)findViewById(R.id.place_hotel);
            final EditText stars=(EditText)findViewById(R.id.stars);
            final EditText description=(EditText)findViewById(R.id.description);
    
            final Button addhotel=(Button)findViewById(R.id.btn_add_hotel);
            addhotel.hasOnClickListeners(new View.OnClickListener(){
    
           @Override
                public void onClick(View view) {
               hotel hotel = new hotel();
               hotel.setName_hotel(name.getText().toString());
               hotel.setName_hotel(place.getText().toString());
               hotel.setName_hotel(stars.getText().toString());
               hotel.setName_hotel(description.getText().toString());
    
               Realm realm = Realm.getInstance(getApplicationContext());
               realm.beginTransaction();
               realm.copyToRealmOrUpdate(hotel);
               realm.commitTransaction();
    
    
               Toast.makeText(add_hotel.this, "The hotel has been successfully added", Toast.LENGTH_SHORT).show();
           }
                );
            }
        }

> please help me someone try

    
    
    
        



