added back DD9

Author: lynnlangit

TeachingKidsProgramming/src/jars/TeachingKidsProgramming.jar

@@ -0,0 +1,95 @@
+package org.teachingkidsprogramming.recipes.inDevelopment;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.teachingextensions.approvals.lite.util.FormattedException;
+
+//**************ANSWER: This deepdive is in progress!*****************//
+//
+@SuppressWarnings("unused")
+public class DeepDive09exceptions
+{
+  @Test
+  public void exceptionsShouldProvideInformation() throws Exception
+  {
+    Chain c = createChain();
+    int answer = c.get("a").get("b").get("c").get("d").get("e").value; /* Fix This Line */
+    Assert.assertEquals(2048, answer);
+  }
+  @Test
+  public void exceptionsShouldExplainPreconditions() throws Exception
+  {
+    Game game = new Game();
+    /* Add needed line here */
+    int fun = game.play();
+    Assert.assertEquals(11, fun);
+  }
+  /**
+   * Ignore the following, It's needed to run the homework
+   * 
+   * 
+   * 
+   * 
+   * 
+   * 
+   * 
+   * 
+   * 
+   * 
+   */
+  private int call(int a, int b, int c)
+  {
+    if (((a + c) / 2) == b) { throw new FormattedException("%s is not a valid input for (%s, %s, %s)", b, a, b,
+        c); }
+    return a + b + c;
+  }
+  private static class Game
+  {
+    boolean on = false;
+    public void turnOn()
+    {
+      on = true;
+    }
+    public int play()
+    {
+      if (!on) { throw new FormattedException(
+          "Before you can play a game you need to turn it on.\n game.turnOn()"); }
+      return 11;
+    }
+  }
+  private static class Chain
+  {
+    private String label;
+    private Chain  chain;
+    public int     value;
+    public Chain(String label, Chain chain)
+    {
+      this.label = label;
+      this.chain = chain;
+    }
+    public Chain(int value)
+    {
+      this.value = value;
+    }
+    public Chain get(String string)
+    {
+      if (!label.equals(
+          string)) { throw new FormattedException("There is no value for '%s', please use '%s'", string, label); }
+      return chain;
+    }
+  }
+  private Chain createChain()
+  {
+    return new Chain("a", new Chain("b", new Chain("surprise", new Chain("d", new Chain("e", new Chain(2048))))));
+  }
+  private static class _____ extends Exception
+  {
+    private static final long serialVersionUID = 7013264013388843231L;
+    public _____(String message, Exception originalException)
+    {
+      super(message, originalException);
+    }
+  }
+  public String  ___  = "You need to fill in the blank ___";
+  public Integer ____ = -99;
+}