maven-compiler jdk 1.8

1. <build>
3. <plugins>
4. <plugin>
5. <groupId>org.apache.maven.plugins</groupId>
6. <artifactId>maven-compiler-plugin</artifactId>
7. <version>3.1</version>
8. <configuration>
9. <source>1.8</source>
10. <target>1.8</target>
11. </configuration>
12. </plugin>
13. </plugins>
15. </build>