check style

(cherry picked from commit edff904489)

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/src/main/java/com/alibaba/cloud/examples/example/ConfigListenerExample.java

@@ -16,7 +16,6 @@
 
 package com.alibaba.cloud.examples.example;
 
-
 import com.alibaba.cloud.nacos.NacosConfigManager;
 import com.alibaba.nacos.api.config.ConfigService;
 import com.alibaba.nacos.api.config.listener.Listener;
@@ -55,7 +54,8 @@ public class ConfigListenerExample {
 
 			@Override
 			public void receiveConfigInfo(String configInfo) {
-                System.out.println("[dataId]:[" + DATA_ID + "],Configuration changed to:" + configInfo);
+				System.out.println("[dataId]:[" + DATA_ID + "],Configuration changed to:"
+						+ configInfo);
 			}
 		});
 	}

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/src/main/java/com/alibaba/cloud/examples/example/DockingInterfaceExample.java

@@ -52,7 +52,8 @@ public class DockingInterfaceExample {
 	 */
 	@RequestMapping("getConfig")
 	public String getConfig(@RequestParam("dataId") String dataId,
-            @RequestParam(value = "group", required = false) String group) throws NacosException {
+			@RequestParam(value = "group", required = false) String group)
+			throws NacosException {
 		if (StringUtils.isEmpty(group)) {
 			group = DEFAULT_GROUP;
 		}
@@ -71,8 +72,8 @@ public class DockingInterfaceExample {
 	 */
 	@RequestMapping("publishConfig")
 	public boolean publishConfig(@RequestParam("dataId") String dataId,
-            @RequestParam(value = "group", required = false) String group, @RequestParam("content") String content)
-            throws NacosException {
+			@RequestParam(value = "group", required = false) String group,
+			@RequestParam("content") String content) throws NacosException {
 		if (StringUtils.isEmpty(group)) {
 			group = DEFAULT_GROUP;
 		}
@@ -90,7 +91,8 @@ public class DockingInterfaceExample {
 	 */
 	@RequestMapping("remoteConfig")
 	public boolean remoteConfig(@RequestParam("dataId") String dataId,
-            @RequestParam(value = "group", required = false) String group) throws NacosException {
+			@RequestParam(value = "group", required = false) String group)
+			throws NacosException {
 		if (StringUtils.isEmpty(group)) {
 			group = DEFAULT_GROUP;
 		}
@@ -107,7 +109,8 @@ public class DockingInterfaceExample {
 	 */
 	@RequestMapping("listener")
 	public String listenerConfig(@RequestParam("dataId") String dataId,
-            @RequestParam(value = "group", required = false) String group) throws NacosException {
+			@RequestParam(value = "group", required = false) String group)
+			throws NacosException {
 		if (StringUtils.isEmpty(group)) {
 			group = DEFAULT_GROUP;
 		}

spring-cloud-alibaba-examples/nacos-example/nacos-config-example/src/main/java/com/alibaba/cloud/examples/model/NacosConfigInfo.java

@@ -75,4 +75,3 @@ public class NacosConfigInfo {
 		this.namespace = namespace;
 	}
 }
-