Android Project > Java code ".length" cannot be resolved or is not a field in "nextInt(answers.length)" crystal ball project

package com.example.crystalball;

import java.util.Random;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Declare our View variables and assign them the Views from layout file
        final TextView answerLabel = (TextView) findViewById(R.id.textView1);
        Button getAnswerButton = (Button) findViewById(R.id.button1);

        getAnswerButton.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View arg0) {
                String[] asnwers = {
                        "It is certain",
                        "It is decidedly so",
                        "All signs say yes",
                        "The stars are not aligned",
                        "my reply is no",
                        "It is doubtful",
                        "Better not tell you now",
                        "Concentrate and ask again",
                        "Unable to answer now",
                        "It is hard to say"};

                // The button was clicked, so update the answer label with an answer
                String answer = "";

                //Randomly select one of three answers: Yes, No or Maybe
                Random randomGenerator =  new Random(); // Construct a new Random number generator
                Object answers;
                int randomNumber = randomGenerator.nextInt(answers.length);

                /* Convert the randomNumber to a text answer
                 *  0 - Yes
                 *  1 - No
                 *  2 - Maybe
                 */

                answer = answers[randomNumber];

                //Update the label with our dynamic answer
                answerLabel.setText(answer);

            }
        });

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

}