Isr.java: Fix ISR example to use pin 6 and sleep properly

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

@@ -30,6 +30,17 @@ import mraa.Aio;
 
 public class AioA0 {
 
+    static {
+        try {
+            System.loadLibrary("mraajava");
+        } catch (UnsatisfiedLinkError e) {
+            System.err.println(
+                "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" +
+                    e);
+            System.exit(1);
+        }
+    }
+
     public static void main(String[] args) {
         Aio a0 = new Aio(0);
 

examples/java/Isr.java

@@ -22,6 +22,11 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+import mraa.Dir;
+import mraa.Edge;
+import mraa.Gpio;
+import mraa.IsrCallback;
+
 public class Isr {
     static {
         try {
@@ -34,18 +39,17 @@ public class Isr {
         }
     }
     public static void main(String argv[]) throws InterruptedException {
-        mraa.mraa.init();
+        Gpio gpio = new Gpio(6);
 
-        mraa.Gpio gpio = new mraa.Gpio(7);
+        IsrCallback callback = new JavaCallback();
 
-        mraa.IsrCallback callback = new JavaCallback();
+        gpio.isr(Edge.EDGE_RISING, callback);
-
+        while (true)
-        gpio.isr(mraa.Edge.EDGE_RISING, callback);
+            Thread.sleep(999999);
-        Thread.sleep(0);
     };
 }
 
-class JavaCallback extends mraa.IsrCallback {
+class JavaCallback extends IsrCallback {
     public JavaCallback() { super(); }
 
     public void run() { System.out.println("JavaCallback.run()"); }