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/GroveMoistureSample.java

@@ -0,0 +1,30 @@
+public class GroveMoistureSample{
+	static {
+		try {
+			System.loadLibrary("javaupm_grovemoisture");
+		}catch (UnsatisfiedLinkError e) {
+			System.err.println("error in loading native library");
+			System.exit(-1);
+		}
+	}
+
+	public static void main (String args[]) throws InterruptedException {
+		upm_grovemoisture.GroveMoisture gm = new upm_grovemoisture.GroveMoisture(1);
+	
+		while (true) {
+			int moisture_val = gm.value();
+			String result;
+	
+			if (moisture_val >= 0 && moisture_val < 300)
+				result = "Dry";                 
+			else if ((moisture_val >= 0 && moisture_val < 300))
+				result = "Moist";
+			else
+				result = "Wet";
+			
+			System.out.println("Moisture Value: " + moisture_val + ", " + result );
+		
+			Thread.sleep(1000);
+		}
+	}
+}