I have an exclamation mark beside my project package! and it doesn t run properly!!
The project was created in another computer ( my classmate s). When i try to run it i get : Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file
我理解,需要改变该项目的性质。 但是,如何知道哪一种适当版本应当使用?
My enviroment OS: Mac osx 10.5.8 IDE: eclipse indigo
original enviroment(my classmate s) I don t know
我检查了Mac的最新情况,但没有更新,因此,我使用我系统可以利用的最新java版本,注射Im。
Exclamation mark usually means some problem with the Build Path. Check the Problems View for hints what your projects are missing to build.
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