The type java.io.ObjectInputStream cannot be resolved.
在MyEclipse中出现了The type java.io.ObjectInputStream cannot be resolved. It is indirectly referenced from required .class files这个问题,跪求哥哥们给予解答!!! 这个是代码: 查过好多大神都说是包有缺失,可是我将servlet-api包和my-sql-connection-java包都放在lib文件夹下了啊!