EditText input = findViewById(R.id.inputtext);
    Button show = findViewById(R.id.button);
    TextView output = findViewById(R.id.output);
    String [] name = new String[3];

    for (int i = 0 ; i < 3 ; i++)
    {
        name[i] = input.getText().toString();
        output.setText(name[i]);
    }

name[0] = john
name[1] = steve
name[2] = frank

name[0] = john
          steve
          frank

output.setText(name[i] + i)

john 0
steve 1
frank 2

john
steve
frank2