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Author: tgoodell

Addition.class

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+// Tristan Goodell
+// contact@tgoodell.com
+// listing 2.3
+
+public class Addition {
+	public static void main (String[] args) {
+		System.out.println ("24 and 45 concatenated: " + 24 + 45);
+		System.out.println ("24 and 45 added: " + (24 + 45));
+	}
+}

Addition.java

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+// Tristan Goodell
+// contact@tgoodell.com
+// listing 2.1
+
+public class Countdown {
+		public static void main (String[] args) {
+				System.out.print ("Three... ");
+				System.out.print ("Two... ");
+				System.out.print ("One... ");
+				System.out.print ("Zero... ");
+				
+				System.out.println ("Liftoff!");
+				System.out.println ("Houston, we have a problem.");
+		}
+}

Countdown.class

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+// Tristan Goodell
+// contact@tgoodell.com
+// listing 2.2
+
+public class Facts {
+	public static void main (String[] args) {
+		System.out.println ("We present the following facts for your " + "extracurricular education:");
+		System.out.println ();
+		System.out.println ("Letters in the Hawaiian alphabet: 12");
+		System.out.println ("Dialing code for Antartica: " + 672);
+		System.out.println ("Year in which Leonardo da Vinci invented " + "the parachute: " + 1515);
+		System.out.println ("Speed of ketchup: " + 40 + " km per year");
+	}
+}

Countdown.java

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+// Tristan Goodell
+// contact@tgoodell.com
+// listing 2.6
+
+public class Geometry {
+	public static void main(String[] args) {
+		int sides = 7;
+		System.out.println ("A heptagon has " + sides + " sides.");
+		
+		sides = 10;
+		System.out.println ("A decagon has " + sides + " sides.");
+		
+		sides = 12;
+		System.out.println ("A dodecagon has " + sides + " sides.");
+	}
+}

Facts.class

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+// Tristan Goodell
+// contact@tgoodell.com
+// listing 2.5
+
+public class PianoKeys {
+	public static void main (String[] args) {
+		int keys = 88;
+		System.out.println ("A piano has " + keys + " keys.");
+	}
+}

Facts.java

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+// Tristan Goodell
+// contact@tgoodell.com
+// listing 2.9
+
+import java.util.Random;
+
+public class RandomNumbers {
+	public static void main (String[] args) {
+		Random generator = new Random();
+		int num1;
+		double num2;
+		
+		num1 = generator.nextInt(10);
+		System.out.println ("From 0 to 9: " + num1);
+		
+		num1 = generator.nextInt(10) +1;
+		System.out.println ("From 1 to 10: " + num1);
+		
+		num1 = generator.nextInt(15) + 20;
+		System.out.println ("From 20 to 34: " + num1);
+		
+		num1 = generator.nextInt(20) -10;
+		System.out.println ("From -10 to 9: " + num1);
+		
+		num2 = generator.nextDouble();
+		System.out.println ("A random double [between 0-1]: " + num2);
+		
+		num2 = generator.nextDouble() * 5;
+		num1 = (int) num2 + 1;
+		System.out.println ("From 1 to 6: " + num1); 
+	}
+}

Geometry.class

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+// Tristan Goodell
+// contact@tgoodell.com
+// listing 2.4
+
+public class Roses {
+	public static void main (String[] args) {
+		System.out.println ("Roses are red, \n\tViolets are blue,\n" + 
+		"Sugar is sweet,\n\tBut I have \"commitment issues\",\n\t" + 
+		"So I'd rather just be friends\n\tAt this point in our relationship.");
+	}
+}