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--- discussion [2007/11/02 01:13] – huiwang
+++ discussion [2007/11/23 13:46] (current) – franck
@@ Line 5: / Line 5: @@
-====== Slawomir's Sleeping Barber ======
+===== Slawomir's Sleeping Barber =====
@@ Line 137: / Line 137: @@
-====== Sleeping Barber using Semaphore======
+===== Sleeping Barber using Semaphore=====
 Since we have just covered semaphore in the class, here is a solution to the Sleeping Barber problem using semaphores. Althought it may looks awkward using semaphores in this problem,
@@ Line 378: / Line 378: @@
-====== Cigarette-Smokers problem ======
+===== Cigarette-Smokers problem =====
 Cigarette-Smokers problem is another famous thread synchronization problem in computer science.
@@ Line 407: / Line 409: @@
       Smoker smkr2 = new Smoker("S-match", table ,Table.Matches);
-      // staring the threads
+      // starting the threads
       agent.start();
       smkr0.start();
@@ Line 525: / Line 527: @@
       while (true)
       {
-         int returnValue = this.table.getAndSmoke(this.id, this.myHave);
+         int returnValue = this.table.getAndSmoke(this.id, this.myHave);  // may or may not succeed
          if ( returnValue == -100)  // read a end token, done
             break;
@@ Line 574: / Line 576: @@
  }  // end of agent
+</code>
+===== Franck's presentation scheduler =====
+Below you find the code that I used to schedule the third presentations.
+<code java>
+import java.util.*;
+import java.io.*;
+/**
+ * Prints out the schedule of the third presentations.
+ *
+ * @author Franck van Breugel
+ */
+public class Presentation
+{
+ /**
+  * Prints out the schedule of the third presentations.
+  *
+  * @param args none.
+  * @throws Exception if file cannot be found.
+  */
+  public static void main(String[] args) throws Exception
+  {
+    final int NUMBER_OF_STUDENTS = 16;
+    final String FILE_NAME = "COSC6490AA";
+    final int MAX = 1000;
+    final int LECTURES = 4;
+    final int NUMBER_PER_LECTURE = 4;
+    List<String> names = new ArrayList(NUMBER_OF_STUDENTS);
+    Scanner input = new Scanner(new File(FILE_NAME));
+    while (input.hasNext())
+    {
+      String[] record = input.nextLine().split(",");;
+      names.add(record[1].trim() + " " + record[0].trim());
+    }
+    Random random = new Random();
+    int number = random.nextInt(MAX);
+    for (int i = 0; i < number; i++)
+    {
+      Collections.shuffle(names);
+    }
+    for (int i = 0; i < LECTURES; i++)
+    {
+      System.out.println("^ Slot ^ Student ^");
+      for (int j = 0; j < NUMBER_PER_LECTURE  ; j++)
+      {
+        System.out.printf("| %d    | %s | %n", j + 1, names.remove(0));
+      }
+    }
+  }
+}
 </code>