Add jdk12.

Author: javadev

.travis.yml

@@ -10,9 +10,7 @@ jdk:
 matrix:
   include:
     - jdk: openjdk10
-      before_install:
-        - rm "${JAVA_HOME}/lib/security/cacerts"
-        - ln -s /etc/ssl/certs/java/cacerts "${JAVA_HOME}/lib/security/cacerts"
+    - jdk: openjdk12
 
 script:
   - mvn clean install jacoco:report coveralls:report

examples/pom.xml

@@ -50,10 +50,10 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
-        <version>3.3</version>
+        <version>3.8.0</version>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>1.7</source>
+          <target>1.7</target>
           <encoding>UTF-8</encoding>
           <compilerArgs>
             <arg>-Xlint:unchecked</arg>

pom.xml

@@ -51,8 +51,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.8.0</version>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>1.7</source>
+          <target>1.7</target>
           <encoding>UTF-8</encoding>
           <compilerArgs>
             <arg>-Xlint:unchecked</arg>