Merge pull request #210 from JLLeitschuh/fix/dontAddEmptyString

Fix adding empty string

Author: PaulaRudy

core/src/main/java/edu/wpi/grip/core/sources/CameraSource.java

@@ -50,7 +50,7 @@ public final class CameraSource extends Source implements StartStoppable {
      */
     public CameraSource(EventBus eventBus, int deviceNumber) throws IOException {
         this();
-        this.properties.setProperty(DEVICE_NUMBER_PROPERTY, "" + deviceNumber);
+        this.properties.setProperty(DEVICE_NUMBER_PROPERTY, Integer.toString(deviceNumber));
         this.createFromProperties(eventBus, this.properties);
     }
 

ui/src/main/java/edu/wpi/grip/ui/preview/PointSizeSocketPreviewView.java

@@ -55,7 +55,7 @@ public void onSocketChanged(SocketChangedEvent event) {
     }
 
     private void updateTextFields() {
-        this.x.setText("" + this.getSocket().getValue().get().get(0));
-        this.y.setText("" + this.getSocket().getValue().get().get(1));
+        this.x.setText(Integer.toString(this.getSocket().getValue().get().get(0)));
+        this.y.setText(Integer.toString(this.getSocket().getValue().get().get(1)));
     }
 }