我运行的时候总是出现这样的错误,新手请教高手!!!
class file has wrong version 49.0, should be 48.0
Please remove or make sure it appears in the correct subdirectory of the classpath.
class file has wrong version 49.0, should be 48.0
Please remove or make sure it appears in the correct subdirectory of the classpath.
jbuilder在每次建立工程的时候是可以指定编译器的,你只要提供它的路径即可
所以可以用1.5的jdk