Initial commit

.idea/modules.xml

@@ -3,6 +3,8 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/Chapter10/Chapter10.iml" filepath="$PROJECT_DIR$/Chapter10/Chapter10.iml" />
+      <module fileurl="file://$PROJECT_DIR$/Chapter11/Chapter11.iml" filepath="$PROJECT_DIR$/Chapter11/Chapter11.iml" />
+      <module fileurl="file://$PROJECT_DIR$/Chapter14/Chapter14.iml" filepath="$PROJECT_DIR$/Chapter14/Chapter14.iml" />
       <module fileurl="file://$PROJECT_DIR$/Chapter9/Chapter9.iml" filepath="$PROJECT_DIR$/Chapter9/Chapter9.iml" />
       <module fileurl="file://$PROJECT_DIR$/School.iml" filepath="$PROJECT_DIR$/School.iml" />
     </modules>

Chapter11/Chapter11.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

Chapter11/src/Exceptions.java

@@ -0,0 +1,54 @@
+import java.util.Scanner;
+
+/**
+ * Created by noah on 6/2/2016.
+ */
+public class Exceptions {
+
+    public static void main(String... args) {
+        Exceptions e = new Exceptions();
+        e.Run();
+    }
+
+    private void Run() {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Please enter the letter n: ");
+        String s = scanner.nextLine();
+        if (s.isEmpty())
+            s = null;
+        try {
+            if (!s.equals("n")) {
+                throw new NotNException("NOT n!");
+            }
+            if (!s.equalsIgnoreCase("N")) {
+                throw new OtherException("NOT N!");
+            }
+        } catch (NotNException e) {
+            System.out.println("That's not an 'n'.");
+            Run();
+        } catch (OtherException oe) {
+            System.out.println("That's not an n, but that's alright.");
+        } catch (NullPointerException np) {
+            System.out.println("You didn't enter anything");
+        }
+
+        System.out.println("Done");
+
+    }
+
+
+    //Inner classes yay!
+    private class NotNException extends Exception {
+        public NotNException(String s) {
+            super(s);
+        }
+    }
+
+    private class OtherException extends Exception {
+        public OtherException(String message) {
+            super(message);
+        }
+    }
+
+}

Chapter14/Chapter14.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

Chapter14/src/LetterCounter.java

@@ -0,0 +1,36 @@
+import java.util.Scanner;
+
+/**
+ * Created by noah on 6/2/2016.
+ */
+public class LetterCounter {
+
+    public static void main(String... args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Please enter a string: ");
+        String input = scanner.nextLine();
+        input = input.toUpperCase();
+        int[] count = new int[26];
+        //loops through all characters using ASCII (starting at 65)
+        for (int ascii = 65; ascii < 90; ascii++) {
+            int i = 0;
+            do {
+                char c = (char) ascii;
+                if (i == 0) {
+                    i = input.indexOf(c, i);
+                } else {
+                    i = input.indexOf(c, i + 1);
+                }
+                if (i == 0)
+                    i++;
+                if (i > -1)
+                    count[ascii - 65]++;
+            } while (i > -1);
+        }
+        for (int i = 0; i < 26; i++) {
+            System.out.format("%5c%5d\n", (char) i + 65, count[i]);
+        }
+
+    }
+
+}

Chapter14/src/PhoneTokenizor.java

@@ -0,0 +1,21 @@
+/**
+ * Created by noah on 6/2/2016.
+ */
+public class PhoneTokenizor {
+
+    public static void main(String... args) {
+        String testPhoneNumber = "(555) 555-5555";
+
+        String[] split = testPhoneNumber.split("[)]");
+        String areaCode = split[0].substring(1); //Seen as I can only use .split() I can't use .find() to select the first instance of numbers [1-9] to make this easier
+        String[] secondSplit = split[1].split("[-]");
+        String first3 = secondSplit[0].substring(1);
+        String last4 = secondSplit[1];
+
+        String phoneNumber = first3 + last4;
+        System.out.println("Area code: " + areaCode);
+        System.out.println("Phone number: " + phoneNumber);
+        System.out.println("Done");
+    }
+
+}