robber move randomly aded

Robber.java

-package PACKAGE_NAME;
+import java.util.*;
 
 public class Robber {
+    private int x, y, moveNum;
+
+    public void setY(int y) {
+        this.y = y;
+    }
+
+    public void setX(int x) {
+        this.x = x;
+    }
+
+    public void setMoveNum(int moveNum) {
+        this.moveNum = moveNum;
+    }
+
+    public int getY() {
+        return y;
+    }
+
+    public int getX() {
+        return x;
+    }
+
+    public int getMoveNum() {
+        return moveNum;
+    }
+
+    public void moveRandomly(int length, int width) {
+        Random randomGenerator = new Random();
+        moveNum++;
+
+        if (x != 0 && x != length - 1 && y != 0 && y != width - 1) {
+            int rx = randomGenerator.nextInt(3) - 1;
+            int ry = randomGenerator.nextInt(3) - 1;
+            x = x + rx;
+            y = y + ry;
+        }
+
+        if (x == 0 && y != 0 && y != width - 1) {
+            int rx = randomGenerator.nextInt(2);
+            int ry = randomGenerator.nextInt(3) - 1;
+            x = x + rx;
+            y = y + ry;
+        }
+        if (y == 0 && x != 0 && x != length - 1) {
+            int rx = randomGenerator.nextInt(3) - 1;
+            int ry = randomGenerator.nextInt(2);
+            x = x + rx;
+            y = y + ry;
+
+        }
+        if (x == length - 1 && y != 0 && y != width - 1) {
+            int rx = randomGenerator.nextInt(2) - 1;
+            int ry = randomGenerator.nextInt(3) - 1;
+            x = x + rx;
+            y = y + ry;
+        }
+        if (y == width - 1 && x != 0 && x != length - 1) {
+            int rx = randomGenerator.nextInt(3) - 1;
+            int ry = randomGenerator.nextInt(2) - 1;
+            x = x + rx;
+            y = y + ry;
+        }
+        if (x == 0 && y == 0) {
+            int rx = randomGenerator.nextInt(2);
+            int ry = randomGenerator.nextInt(2);
+            x = x + rx;
+            y = y + ry;
+        }
+        if (x == length - 1 && y == 0) {
+            int rx = randomGenerator.nextInt(2) - 1;
+            int ry = randomGenerator.nextInt(2);
+            x = x + rx;
+            y = y + ry;
+        }
+        if (x == 0 && y == width - 1) {
+            int rx = randomGenerator.nextInt(2);
+            int ry = randomGenerator.nextInt(2) - 1;
+            x = x + rx;
+            y = y + ry;
+        }
+        if (x == length - 1 && y == width - 1) {
+            int rx = randomGenerator.nextInt(2) - 1;
+            int ry = randomGenerator.nextInt(2) - 1;
+            x = x + rx;
+            y = y + ry;
+        }
+
+
+    }
 }