摘要:
基本类型大小(字节)取值范围默认值包装器类型boolean-true或falsefalseBooleanchar20-216-1'\u0000'(null)Characterbyte1-27—27-1(byte)0Byteshort2-215—215-1(short)0Shortint4-231—2... 阅读全文
天生我材有P用
When Everything Is Ready, Everything May Be Too Late
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