Additional Checkstyle Fixes

Issue gh-393

samples/httpsession-jdbc/src/main/java/sample/Config.java

@@ -34,8 +34,7 @@ public class Config {
 	public EmbeddedDatabase dataSource() {
 		return new EmbeddedDatabaseBuilder() // <2>
 				.setType(EmbeddedDatabaseType.H2)
-				.addScript("org/springframework/session/jdbc/schema-h2.sql")
-				.build();
+				.addScript("org/springframework/session/jdbc/schema-h2.sql").build();
 	}
 
 	@Bean

samples/httpsession-jdbc/src/main/java/sample/Initializer.java

@@ -18,8 +18,7 @@ package sample;
 import org.springframework.session.web.context.AbstractHttpSessionApplicationInitializer;
 
 // tag::class[]
-public class Initializer
-		extends AbstractHttpSessionApplicationInitializer { // <1>
+public class Initializer extends AbstractHttpSessionApplicationInitializer { // <1>
 
 	public Initializer() {
 		super(Config.class); // <2>

samples/httpsession-jdbc/src/main/java/sample/SessionServlet.java

@@ -15,17 +15,21 @@
  */
 package sample;
 
-import javax.servlet.*;
-import javax.servlet.annotation.*;
-import javax.servlet.http.*;
 import java.io.IOException;
 
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
 // tag::class[]
 @WebServlet("/session")
 public class SessionServlet extends HttpServlet {
 
 	@Override
-	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
 		String attributeName = req.getParameter("attributeName");
 		String attributeValue = req.getParameter("attributeValue");
 		req.getSession().setAttribute(attributeName, attributeValue);