public class NActivity extends Activity{   protected void onCreate(Bundle savedInstanceState){      setContentView(R.layout.activity_main);      Button button=getInstances(R.id.button1);      Button button2=getInstances(R.id.button2);      TextView tv1=getInstances(R.id.textview1);      TextView tv2=getInstances(R.id.textview2);   }   protected 
    
      T getInstances(int id) {        return (T) findViewById(id);    }  }
    

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