add console entry point for robot program

1 files changed, 19 insertions, 0 deletions

diff --git a/src/Q9/MovingRobot.java b/src/Q9/MovingRobot.java
index a7b462c..c063c14 100644
--- a/src/Q9/MovingRobot.java
+++ b/src/Q9/MovingRobot.java
@@ -53,6 +53,8 @@ public class MovingRobot extends Robot {
 
   public void move() {
     this.nextMove = generateNextMove();
+    if (!validateNextMove(this.nextMove)) this.move();
+
     this.move(this.nextMove);
   }
 
@@ -125,4 +127,21 @@ public class MovingRobot extends Robot {
   private void moveLeft() {
     this.setX(this.getX() - 1);
   }
+
+  public static void main(String[] args) {
+    System.out.println("=== Question 9 ===");
+    MovingRobot r1 = new MovingRobot(0, 0);
+    MovingRobot r2 = new MovingRobot(9, 9);
+    while (!MovingRobot.sameSlot(r1, r2)) {
+      r1.move();
+      r2.move();
+    }
+
+    System.out.println(String.format("Collision at: (%d, %d)", r1.getX(), r1.getY()));
+    System.out.println("R1 Route:");
+    System.out.println(r1.printMoves());
+
+    System.out.println("R2 Route:");
+    System.out.println(r2.printMoves());
+  }
 }