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为什么在导入java.io*报错显示Only a type can be imported. java.util resolves to a package

为什么在导入java.io*报错显示Only a type can be imported. java.io resolves to a package，导入java.io.printwriter可以呢？，哪位大佬知道？

慕桂英5344235

2020-02-27

源自：JAVA遇见HTML——JSP篇 3-10

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Petar
2020-02-28

少了个.

0 回复有任何疑惑可以回复我~

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