Superclass Members

Get to learn how to access and construct superclass members.

Accessing superclass members

The super keyword allows referring to members that are inherited from the superclass.

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class Clock {
int hour;
int minute;
int second;
void adjust(int hour, int minute, int second = 0) {
this.hour = hour;
this.minute = minute;
this.second = second;
}
}
class AlarmClock : Clock {
int alarmHour;
int alarmMinute;
void adjustAlarm(int hour, int minute) {
alarmHour = hour;
alarmMinute = minute;
}
void foo() {
super.minute = 10; // The inherited 'minute' member
minute = 10; // Same thing if there is no ambiguity
}
}
void main() {}

The super keyword is not always necessary; minute alone has the same meaning in the code above (line # 23). The super keyword is needed when both the ...