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[帮助文档] 为什么PHP/Python/Java Spring Boot类型的SAE 1.0应用在SAE 2.0控制台存量应用被放在微服务Tab下

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java 类型转化：（数值型~整型、浮点型←----→非数值型~字符串、字节；以及字符串←----→字节（字节数组）

java 类型转化：（数值型~整型、浮点型←----→非数值型~字符串、字节；以及字符串←----→字节（字节数组） ① 字节→整型：使用Byte. toUnsignedInt(字节);② 字节数组→字符串：new String(字节数组，开始位置，长度);③ 字符串→...

java的char类型只有两个字节为什么可以存储汉字？

java的char类型，只有两个字节，在采用utf-8编码时，为什么可以存储汉字？

Java的包装类中，boolean类型占多少字节？

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更新时间 2024-04-30 11:45:22

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