Remove unnecessary concatenation with empty strings.

src/main/java/org/jboss/netty/example/http/websocket/WebSocketServerIndexPage.java

@@ -46,7 +46,7 @@ public class WebSocketServerIndexPage {
         "} else {" + NEWLINE +
         "  alert(\"Your browser does not support Web Socket.\");" + NEWLINE +
         "}" + NEWLINE +
-        "" + NEWLINE +
+        NEWLINE +
         "function send(message) {" + NEWLINE +
         "  if (!window.WebSocket) { return; }" + NEWLINE +
         "  if (socket.readyState == WebSocket.OPEN) {" + NEWLINE +

src/main/java/org/jboss/netty/example/http/websocketx/server/WebSocketServerIndexPage.java

@@ -50,7 +50,7 @@ public class WebSocketServerIndexPage {
         "} else {" + NEWLINE +
         "  alert(\"Your browser does not support Web Socket.\");" + NEWLINE +
         "}" + NEWLINE +
-        "" + NEWLINE +
+        NEWLINE +
         "function send(message) {" + NEWLINE +
         "  if (!window.WebSocket) { return; }" + NEWLINE +
         "  if (socket.readyState == WebSocket.OPEN) {" + NEWLINE +

src/main/java/org/jboss/netty/example/http/websocketx/sslserver/WebSocketSslServerIndexPage.java

@@ -50,7 +50,7 @@ public class WebSocketSslServerIndexPage {
         "} else {" + NEWLINE +
         "  alert(\"Your browser does not support Web Socket.\");" + NEWLINE +
         "}" + NEWLINE +
-        "" + NEWLINE +
+        NEWLINE +
         "function send(message) {" + NEWLINE +
         "  if (!window.WebSocket) { return; }" + NEWLINE +
         "  if (socket.readyState == WebSocket.OPEN) {" + NEWLINE +

src/main/java/org/jboss/netty/example/localtime/LocalTimeServerHandler.java

@@ -93,6 +93,6 @@ public class LocalTimeServerHandler extends SimpleChannelUpstreamHandler {
     }
 
     private static String toString(Continent c) {
-        return "" + c.name().charAt(0) + c.name().toLowerCase().substring(1);
+        return c.name().charAt(0) + c.name().toLowerCase().substring(1);
     }
 }