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Java Java Objects Harnessing the Power of Objects Computed Properties

A new public method named isBatteryEmpty that returns true if the battery has 0 bars remaining, and false otherwise.

A new public method named isBatteryEmpty that returns true if the battery has 0 bars remaining, and false otherwise. what am i doing wrong?

GoKart.java
class GoKart {
  public static final int MAX_BARS = 8;
  private String color;
  private int barCount;

  public GoKart(String color) {
    this.color = color;
  }

  public String getColor() {
    return color;
  }

  public void charge() {
    barCount = MAX_BARS;
  }
  Public boolean isBatteryEmpty(){
    if (barCount == 0){
      return true;
      }
      else {
      return false;
    }
  }
}