Java_/Assignment 5 at main · ASHVINIPATIL1/Java_ · GitHub

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interface Vehicle {
void changeGear(int a);
void speedup(int a);
void applyBrakes(int a);
void printStates();
}
class Bicycle implements Vehicle {
int speed = 0;
int gear;
public void changeGear(int newGear) {
gear = newGear;
}
public void speedup(int increment) {
speed += increment;
}
public void applyBrakes(int decrement) {
speed -= decrement;
}
public void printStates() {
System.out.println("Speed Of Bicycle : "
+ speed
+ "km/hr\nGear : " + gear);
}
}
class Car implements Vehicle {
int speed = 0;
int gear;
public void changeGear(int newGear) {
gear = newGear;
}
public void speedup(int increment) {
speed += increment;
}
public void applyBrakes(int decrement) {
speed -= decrement;
}
public void printStates() {
System.out.println("Speed Of Car : " +
speed
+ "km/hr\nGear : " + gear +
"\n");
}
}
class Bike implements Vehicle {
int speed = 0;
int gear;
public void changeGear(int newGear) {
gear = newGear;
}
public void speedup(int increment) {
speed += increment;
}
public void applyBrakes(int decrement) {
speed -= decrement;
}
public void printStates() {
System.out.println("Speed Of Bike: " +
speed
+ "km/hr\nGear : " + gear +
"\n");
}
}
class Vehicles {
public static void main(String[] args) {
Bicycle b1 = new Bicycle();
b1.changeGear(3);
b1.speedup(10);
b1.applyBrakes(5);
System.out.println("---------------------
------");
System.out.println("Present State of
Bicycle");
b1.printStates();
Car c1 = new Car();
c1.changeGear(3);
c1.speedup(60);
c1.applyBrakes(50);
System.out.println("---------------------
------");
System.out.println("Present State of Car
:");
c1.printStates();
Bike b2 = new Bike();
b2.changeGear(3);
b2.speedup(50);
b2.applyBrakes(45);
System.out.println("---------------------
------");
System.out.println("Present State of Bike
:");
b2.printStates();
}
}