Merge pull request #7 from exasol/enhancement/6_port_to_java_11

#6: ported from Java 9 to Java 11

Author: AnastasiiaSergienko

.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
 org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.methodParameters=do not generate
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=9
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=9
+org.eclipse.jdt.core.compiler.compliance=11
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -13,7 +13,7 @@ org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
 org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=9
+org.eclipse.jdt.core.compiler.source=11
 org.eclipse.jdt.core.formatter.align_assignment_statements_on_columns=false
 org.eclipse.jdt.core.formatter.align_fields_grouping_blank_lines=2147483647
 org.eclipse.jdt.core.formatter.align_type_members_on_columns=false

.travis.yml

@@ -1,7 +1,7 @@
 language: java
 matrix:
   include:
-  - jdk: openjdk9
+  - jdk: openjdk11
 addons:
   sonarcloud:
     organization: exasol

README.md

@@ -34,7 +34,7 @@ This is an open source project which is officially supported by Exasol. For any
 
 ### Run Time Dependencies
 
-Running the Virtual Schema requires a Java Runtime version 9 or later.
+Running the Virtual Schema requires a Java Runtime version 11 or later.
 
 ### Build Time Dependencies
 

pom.xml

@@ -12,7 +12,7 @@
     <product.version>1.0.0</product.version>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <java.version>9</java.version>
+    <java.version>11</java.version>
     <junit.version>5.4.2</junit.version>
     <junit.platform.version>1.4.2</junit.platform.version>
     <maven.surefire.version>3.0.0-M3</maven.surefire.version>