closes #353 Upgrading JDK version to 11

Author: anshooarora

pom.xml

@@ -75,7 +75,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-checkstyle-plugin</artifactId>
-				<version>2.16</version>
+				<version>3.1.2</version>
 				<reportSets>
 					<reportSet>
 						<reports>
@@ -95,8 +95,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>3.6.1</version>
 				<configuration>
-					<source>1.8</source>
-					<target>1.8</target>
+					<source>11</source>
+					<target>11</target>
 				</configuration>
 			</plugin>
 			<plugin>
@@ -107,7 +107,7 @@
 			<plugin>
 				<groupId>org.jacoco</groupId>
 				<artifactId>jacoco-maven-plugin</artifactId>
-				<version>0.8.5</version>
+				<version>0.8.8</version>
 				<executions>
 					<execution>
 						<goals>
@@ -133,7 +133,10 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-source-plugin</artifactId>
-						<version>3.0.1</version>
+						<version>3.8.0</version>
+						<configuration>
+							<release>11</release>
+						</configuration>
 						<executions>
 							<execution>
 								<id>attach-sources</id>
@@ -146,7 +149,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-javadoc-plugin</artifactId>
-						<version>3.0.1</version>
+						<version>3.2.0</version>
 						<executions>
 							<execution>
 								<id>attach-javadocs</id>