public class HellowJava {
    public static void main(String[] args)
    {
        String[] _decscriptionStrings=new String[3];
        _decscriptionStrings[0]=null;
        _decscriptionStrings[1]="aaa";
        _decscriptionStrings[2]=null;
        for (int i = 0; i < _decscriptionStrings.length; i++) {
            if(_decscriptionStrings[i]==null)
            {
                System.out.println("null");
            }
            else {
                System.out.println(_decscriptionStrings[i]);
            }
        }
    }
    
}