switch class

public class MainActivity extends AppCompatActivity {

    TextView textview;
    Button button;
    EditText edittext;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textview = findViewById(R.id.textview);
        button = findViewById(R.id.button);
        edittext = findViewById(R.id.edittext);

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {


                String ed = edittext.getText().toString();
                int inpute = Integer.parseInt(ed);

                int i = inpute;

                switch (i){
                    case 0:
                        textview.append("zero");
                        break;
                    case 1:
                        textview.append("one");
                        break;
                    case 2:
                        textview.append("tow");
                        break;
                    case 3:
                        textview.append("three");
                        break;
                    case 4:
                        textview.append("fore");
                        break;
                    case 5:
                        textview.append("five");
                        break;
                    case 6:
                        textview.append("six");
                        break;
                    case 7:
                        textview.append("seven");
                        break;
                    case 8:
                        textview.append("eight");
                        break;
                    case 9:
                        textview.append("nine");
                        break;
                    default :
                        textview.append("not a diget");
                }


            }
        });

    }

}