Unbound classpath container: ‘JRE System Library [jre1.8.0_151]‘ in project ‘Kata‘

錯誤Unbound classpath container: ‘JRE System Library [jre1.8.0_151]’ in project ‘Kata’，解決辦法如下： 項目右鍵屬性—>Java Build Path—>Libraries 如圖：選中JRE System Library [JavaS3E1.7] 然後Remove掉， 刪掉後再重新添加JRE，如圖： 進入後如下圖所示

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