step5

src/hacker/Main.java

 package hacker;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class Main {
+    public static void main(String[] args) {
+
+        //create the Vault
+        Vault vault = new Vault();
+
+        List<Thread> threads = new ArrayList<>();
+        //Create Hackers and pass the previously created vault to them
+        AscendingHackerThread ascHacker = new AscendingHackerThread(vault);
+        DescendingHackerThread descHacker = new DescendingHackerThread(vault);
+        PoliceThread police = new PoliceThread();
+
+
+        threads.add(ascHacker);
+        threads.add(descHacker);
+        threads.add(police);
+
+
+        ascHacker.setPriority(Thread.MAX_PRIORITY);
+        descHacker.setPriority(Thread.MAX_PRIORITY);
+
+
+        System.out.println("start");
+        for (Thread t : threads) {
+            //t.start :Makes the three Threads start executing together in parallel
+            t.start();
+        }
+    }
 }