pom.xml 셋팅

STS Jre System Library 버전 셋팅

properties의 java.version으로 셋팅함

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>11</java.version>
	</properties>