private static int lastDay()

in core/src/main/java/org/apache/calcite/avatica/util/DateTimeUtils.java [1178:1193]

• 16 lines of code
• 9 McCabe index (conditional complexity)

  private static int lastDay(int y, int m) {
    switch (m) {
    case 2:
      return y % 4 == 0
          && (y % 100 != 0
          || y % 400 == 0)
          ? 29 : 28;
    case 4:
    case 6:
    case 9:
    case 11:
      return 30;
    default:
      return 31;
    }
  }