tractor.java

This is the inheritance model in java.

package company.equipment;

public class Tractor extends Equipment {
           private double gasoline;
		   private double totalDistance;
		   	 
		   public Tractor (String type, String brand) {
		           super(type, brand);
				   
				}
		  public void setGasoline(double gasoline) {
		       this.gasoline = gasoline;
			   }
		  public double getGasoline()	  {
                     return this.gasoline;
                   }					 
		  
			 	
           public void addGasoline(double gasoline){
		           this.gasoline = this.gasoline;
                }
				
		   public void reduceGasoline(double distance){
		            this.gasoline = this.gasoline - (distance*0.4);
                    this.totalDistance = this.totalDistance + distance;
                } 
         public String getInfo() {
                     String info = "Tractor"+"\n"+"Type: "+super.getType()+"\n"+
					               "Brand: "+super.getBrand()+"\n"+
								   "Gasoline: " + this.gasoline + "\n" +
								  "Total Distance: " + this.totalDistance;
					  return info;
                }
}