HBASE-22326 Fixed Checkstyle errors in hbase-examples

[HorizonNet]

No description provided.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	366	Docker mode activated.
		_ Prechecks _
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
+1	test4tests	0	The patch appears to include 3 new or modified test files.
		_ master Compile Tests _
+1	mvninstall	300	master passed
+1	compile	22	master passed
+1	checkstyle	15	master passed
+1	shadedjars	270	branch has no errors when building our shaded downstream artifacts.
+1	findbugs	41	master passed
+1	javadoc	18	master passed
		_ Patch Compile Tests _
+1	mvninstall	243	the patch passed
+1	compile	24	the patch passed
+1	javac	24	the patch passed
+1	checkstyle	14	hbase-examples: The patch generated 0 new + 0 unchanged - 41 fixed = 0 total (was 41)
+1	whitespace	0	The patch has no whitespace issues.
+1	xml	1	The patch has no ill-formed XML file.
+1	shadedjars	271	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	506	Patch does not cause any errors with Hadoop 2.7.4 or 3.0.0.
+1	findbugs	44	the patch passed
+1	javadoc	18	the patch passed
		_ Other Tests _
+1	unit	116	hbase-examples in the patch passed.
+1	asflicense	11	The patch does not generate ASF License warnings.
		2355

Subsystem	Report/Notes
Docker	Client=17.05.0-ce Server=17.05.0-ce base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-197/1/artifact/out/Dockerfile
GITHUB PR	#197
Optional Tests	dupname asflicense javac javadoc unit shadedjars hadoopcheck xml compile findbugs hbaseanti checkstyle
uname	Linux 578879d6f296 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/testptch/patchprocess/precommit/personality/provided.sh
git revision	master / 5b07ee9
maven	version: Apache Maven 3.5.4 (1edded0938998edf8bf061f1ceb3cfdeccf443fe; 2018-06-17T18:33:14Z)
Default Java	1.8.0_181
findbugs	v3.1.11
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-197/1/testReport/
Max. process+thread count	2259 (vs. ulimit of 10000)
modules	C: hbase-examples U: hbase-examples
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-197/1/console
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