it has some errors #18

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1. bowbow commented on Sep 13, 2017

   

   bowbow

   on Sep 13, 2017

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   workaround: install jdk9 from oracle and compile the sources.

   👍React with 👍3Reacted by Essay1234, Vinoth G and youss
2. yssgithub commented on Jan 31, 2019

   

   yssgithub

   on Jan 31, 2019

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   用java1.8的书，编写java1.9的代码，为何呢？
   read the book with jdk1.8,but code with jdk1.9,why do this?

   👍React with 👍3Reacted by unludo, PengTan and Wang Yong
3. PengTan-Capillarytech commented on Jul 24, 2019

   

   PengTan-Capillarytech

   on Jul 24, 2019

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   用java1.8的书，编写java1.9的代码，为何呢？
   read the book with jdk1.8,but code with jdk1.9,why do this?
   I have the same problem
4. hoandv commented on Oct 28, 2019

   

   hoandv

   on Oct 28, 2019

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   用java1.8的书，编写java1.9的代码，为何呢？
   read the book with jdk1.8,but code with jdk1.9,why do this?

   Because source code is upgraded to JDK 1.9. You can show log of git and checkout out from commit is not merged code upgraded