java: added examples and solved some issues with the naming convention

Signed-off-by: Stefan Andritoiu <stefan.andritoiu@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/java/GroveTempSample.java

@@ -0,0 +1,26 @@
+public class GroveTempSample {
+	static {
+		try {
+			System.loadLibrary("javaupm_grove");
+		} catch (UnsatisfiedLinkError e) {
+			System.err.println("error in loading native library");
+			System.exit(-1);
+		}
+	}
+
+	public static void main (String args[]) throws InterruptedException {
+		upm_grove.GroveTemp temp = new upm_grove.GroveTemp(3);
+		
+		for (int i = 0; i < 10; ++i) {
+			
+			int celsius = temp.value();
+			int fahrneheit = celsius * 2 + 32;
+
+			System.out.println("Celsius: " + celsius);
+			System.out.println("Fahrneheit: " + fahrneheit);
+			
+			Thread.sleep(1000);
+		}
+		temp.delete();
+	}
+}