1.1 --- a/src/main/java/de/uapcore/sudoku/SudokuTextField.java Mon Jul 27 10:56:17 2020 +0200 1.2 +++ b/src/main/java/de/uapcore/sudoku/SudokuTextField.java Mon Jul 27 11:56:41 2020 +0200 1.3 @@ -127,7 +127,7 @@ 1.4 public void setValue(int v) { 1.5 if (v == 0) { 1.6 setText(""); 1.7 - } else if (v < 10) { 1.8 + } else if (v > 0 && v < 10) { 1.9 setText(String.valueOf(v)); 1.10 } else { 1.11 throw new IllegalArgumentException(