@ovveride1 @ovveride void main() { TimesTwo tt = TimesTwo(2); print(tt.calculate()); TimesFour tf = TimesFour(2); print(tf.calculate());}class TimesTwo { final int number; TimesTwo( this.number, ); int calculate() { return number * 2; }}class TimesFour extends TimesTwo { TimesFour( int number, ): super(number); @override int calculate() { return super.calculate() * 2; }} 2025. 4. 24. 이전 1 다음