今天用Eclipse导入了一个工程，发现了一个错误：
catch (NoSuchMethodException | IllegalAccessException | IllegalArgumentException | InvocationTargetException e)
这写法没见过。提示is not allowed for source level below 1.7。
解决办法：
右键项目--属性--Java Compiler--勾选Enable project specific settings
Compiler compliance level--选择1.7
勾选Use default compilance settings
OK
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