The if-then-else statement provides a secondary path of execution when an "if" clause evaluates to false. You could use an if-then-else statement in the applyBrakes method to take some action if the brakes are applied when the bicycle is not in motion. In this case, the action is to simply print an error message stating that the bicycle has already stopped.
void applyBrakes(){
     if (isMoving) {
          currentSpeed--;
     } else {
          System.err.println("The bicycle has already stopped!");
     } 
}



Sandeep Joshi
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