Interface in java
// interface syntax
interface InterfaceName
{
fields // by default interface fields are public, static final
methods // by default interface methods are abstract, public
}Interface in java
// interface syntax
interface InterfaceName
{
fields // by default interface fields are public, static final
methods // by default interface methods are abstract, public
}java interface
class ACMEBicycle implements Bicycle {
int cadence = 0;
int speed = 0;
int gear = 1;
// The compiler will now require that methods
// changeCadence, changeGear, speedUp, and applyBrakes
// all be implemented. Compilation will fail if those
// methods are missing from this class.
void changeCadence(int newValue) {
cadence = newValue;
}
void changeGear(int newValue) {
gear = newValue;
}
void speedUp(int increment) {
speed = speed + increment;
}
void applyBrakes(int decrement) {
speed = speed - decrement;
}
void printStates() {
System.out.println("cadence:" +
cadence + " speed:" +
speed + " gear:" + gear);
}
}Copyright © 2021 Codeinu
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