added other files used during presentation

Author: bartaz

Add01To02.java

@@ -0,0 +1,11 @@
+class Add01To02 {
+    public static void main(String[] args) {
+        System.out.println("\n> 0.1 + 0.2 == 0.3");
+        System.out.println(     0.1 + 0.2 == 0.3 );
+
+        System.out.println("\n> 0.1 + 0.2");
+        System.out.println(     0.1 + 0.2 );
+
+        System.out.println();
+    }
+}

types

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+ 
+ There are 10 kinds of people 
+ in this world:              
+
+ Those who understand binary
+ and those who don't.
+