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| Q: |
abstract class Vehicle { public int speed() { return 0; } class Car extends Vehicle { public int speed() { return 60; } class RaceCar extends Car { public int speed() { return 150; } ... RaceCar racer = new RaceCar(); Car car = new RaceCar(); Vehicle vehicle = new RaceCar(); System.out.println(racer.speed() + ", " + car.speed() + ", " + vehicle.speed()); } What is the result? | ||||||||||||||
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