In common with other Jakarta projects, update to Java 8
diff --git a/api/pom.xml b/api/pom.xml
index f52657e..dc1f029 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -120,14 +120,14 @@
         </resources>
     
         <plugins>
-             <!-- Restricts the Java version to 1.7 -->
+             <!-- Restricts the Java version to 1.8 -->
              <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.0</version>
                 <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                     <compilerArgument>-Xlint:unchecked</compilerArgument>
                 </configuration>
             </plugin>
diff --git a/impl/pom.xml b/impl/pom.xml
index 0cd0b8b..e4505e2 100644
--- a/impl/pom.xml
+++ b/impl/pom.xml
@@ -172,8 +172,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.0</version>
                 <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                     <compilerArgument>-Xlint:unchecked</compilerArgument>
                 </configuration>
             </plugin>
diff --git a/parent-pom/pom.xml b/parent-pom/pom.xml
index f0f0a00..658ab9e 100644
--- a/parent-pom/pom.xml
+++ b/parent-pom/pom.xml
@@ -36,8 +36,8 @@
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
                     <configuration>
-                        <source>1.5</source>
-                        <target>1.5</target>
+                        <source>1.8</source>
+                        <target>1.8</target>
                     </configuration>
             </plugin>
             <plugin>
diff --git a/pom.xml b/pom.xml
index 9d3c3d0..a689312 100644
--- a/pom.xml
+++ b/pom.xml
@@ -208,14 +208,14 @@
                 </configuration>
             </plugin>
             
-            <!-- Restricts the Java version to 1.7 -->
+            <!-- Restricts the Java version to 1.8 -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.0</version>
                 <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                     <compilerArgument>-Xlint:unchecked</compilerArgument>
                 </configuration>
             </plugin>
@@ -250,7 +250,7 @@
                             <goal>jar</goal>
                         </goals>
                         <configuration>
-                            <source>1.7</source>
+                            <source>1.8</source>
                             <sourcepath>api/src;impl/src</sourcepath>
                             <additionalJOption>-Xdoclint:none</additionalJOption>
                             <links>