public class WashingMachine{
  public void switchOn(){
  }
  public int acceptClothes(int noofClothes){
      return noofClothes;
  }
  public void acceptDetergent(){
  }
  public void switchOff(){
  }
  public static void main(String[] args){
    WashingMachine wm = new WashingMachine();
    wm.switchOn();
    int clothesAccepted = wm.acceptClothes(10);
    wm.acceptDtergent();
    wm.switchOff();
  }
}