added java example

examples/java/ZeroTierHelloWorld/src/MyClass.java

@@ -0,0 +1,40 @@
+// Hello World example for the ZeroTierSDK
+
+import zerotier.*;
+
+public class MyClass {
+	
+    public native int loadsymbols();
+    public native void startOneService();
+    
+	static {
+        System.loadLibrary("zt");
+    }
+
+	public static void main(String[] args) {
+		
+        System.out.println("Welcome to the Machine");
+       
+        final ZeroTier z = new ZeroTier();
+        
+        new Thread(new Runnable() {
+            public void run() {
+                // Calls to JNI code
+                z.start("/Users/Joseph/op/code/zerotier/ZeroTierSDK/zt1");
+            }
+        }).start();
+                
+        //while(!z.running()) { }
+
+        while(true)
+        {
+        	try {
+        		System.out.println("Welcome to the Machine");
+                Thread.sleep(3000);
+            } catch (InterruptedException e) {
+                // TODO Auto-generated catch block
+                e.printStackTrace();
+            }
+        }
+    }
+}