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Java Java Objects Harnessing the Power of Objects Increment and Decrement

how can i add a new public method named drive and to increment a new lapsDriven?

help me please

GoKart.java
class GoKart {
  private int lapsDriven; 
  public int drive = lapsDriven++;
  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() {
    return barCount == 0;
  }

  public boolean isFullyCharged() {
    return MAX_BARS == barCount;
  }
}