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Java基础入门第7问 单个char型变量不一定能存储一个汉字 #6

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@discord9

见java.lang Class Character
单个char型变量能保存的16个比特代表的Basic Multilingual Plane中,只有少数几组是CJK的比如汉字笔画和标点符号
而UTF-16采用的编码中大部分汉字都需要两个16-bit code units来表示,也就是32比特

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