examples/java: Port examples containing [Interesting] tag from C/C++

Signed-off-by: Petre Eftime <petre.p.eftime@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

examples/java/AioA0.java

@@ -0,0 +1,45 @@
+/*
+ * Author: Nandkishor Sonar
+ * Copyright (c) 2014 Intel Corporation.
+ * Author: Petre Eftime <petre.p.eftime@intel.com>
+ * Copyright (c) 2015 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+//! [Interesting]
+import mraa.Aio;
+
+public class AioA0 {
+
+    public static void main(String[] args) {
+        Aio a0 = new Aio(0);
+
+        while (true) {
+            int adc_value = a0.read();
+            float adc_value_float = a0.readFloat();
+            System.out.println(String.format("ADC A0 read %X - %d", adc_value, adc_value));
+            System.out.println(String.format("ADC A0 read %.5f", adc_value_float));
+        }
+
+    }
+}
+//! [Interesting]