twitter4j authentication

import twitter4j.Twitter;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;

public class Auth {
    Twitter twitter = null;
    public Auth() {
        ConfigurationBuilder cb = new ConfigurationBuilder();
        cb.setDebugEnabled(true)
                .setOAuthConsumerKey("KEY HERE")
                .setOAuthConsumerSecret("SECRET HERE")
                .setOAuthAccessToken("TOKEN HERE")
                .setOAuthAccessTokenSecret("TOKEN SECRET HERE");

        TwitterFactory tf = new TwitterFactory(cb.build());
        this.twitter = tf.getInstance();
    }
    public Twitter getTwitter() {
        return twitter;
    }
}