<project> [...] <build> [...] <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>(whatever version is current)</version> <configuration> <!-- or whatever version you use --> <source>1.7</source> <target>1.7</target> </configuration> </plugin> </plugins> [...] </build> [...]</project>
请参阅配置页面以获取Maven编译器插件:
http://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html
哦,而且:不要使用Java 1.3.x,当前版本是Java 1.7.x或1.8.x
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