In Java define classes Step and Directions that satisfy the

In Java, define classes Step and Directions that satisfy the following properties. All instance variables (in other words, “fields”) should be private or protected.

Step includes:

a direction : can be “right”, “left” or “u-turn”

a road, like: “Mission Blvd” or “Decoto Rd”

a constructor to initialize these values

a toString() method that returns text for the step depending on the direction

for “right”, return “Turn right onto <value of road>”. Assuming the road = “Mission Blvd”, this would be “Turn right onto Mission Blvd”

for “left”, return “Turn left onto <value of road>”

for “u-turn”, return “Make a U-turn, when possible” (ignores value of road)

for anything else, return “Invalid direction : <value of direction>“

Directions includes:
a list of the Step\'s for this Directions
a constructor to initialize this list
a method to add a Step to the Directions
a method to display the steps to the console output

Solution

Hi, Please find my implementation.

Please let me know in case of any issue.

############### Step.java ###############

public class Step {

  

   // instance variables

   private String direction;

   private String road;

   public Step(String direction, String road) {

       this.direction = direction;

       this.road = road;

   }

  

   @Override

   public String toString() {

       String str = \"\";

      

       if(direction.equalsIgnoreCase(\"right\") || direction.equalsIgnoreCase(\"left\"))

           str = \"Turn \"+direction+\" onto \"+road;

       else if(direction.equalsIgnoreCase(\"u-turn\"))

           str = \"Make a U-turn, when possible\";

       else

           str = \"Invalid direction: \"+direction;

      

       return str;

   }

  

}

############ Directions.java #################

import java.util.ArrayList;

public class Directions {

  

   private ArrayList<Step> directios;

  

   // constructor to initialize directions with empty list

   public Directions(){

       directios = new ArrayList<>();

   }

  

   public void addStep(Step step){

       directios.add(step);

   }

  

   public void display(){

      

       for(Step step : directios){

           System.out.println(step);

       }

   }

}

############### TestDirection.java ##################

public class TestDirection {

  

   public static void main(String[] args) {

      

       Directions directions = new Directions();

      

       Step step1 = new Step(\"right\", \"Mission Blvd\");

       Step step2 = new Step(\"u-turn\", \"Mission Blvd\");

       Step step3 = new Step(\"right\", \"Decoto Rd\");

       Step step4 = new Step(\"lift\", \"Mission Blvd\");

       Step step5 = new Step(\"up\", \"Mission Blvd\");

      

       directions.addStep(step1);

       directions.addStep(step2);

       directions.addStep(step3);

       directions.addStep(step4);

       directions.addStep(step5);

      

       directions.display();

      

   }

}

/*

Sample run:

Turn right onto Mission Blvd

Make a U-turn, when possible

Turn right onto Decoto Rd

Invalid direction: lift

Invalid direction: up

*/