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小弟是新生,剛學java,發現參考書中並沒有明確定義boolean type(ture,false)到底點多少字節的
存儲空間。Gosling,Horstmann他們都像商量好的一樣對此問題避而不談,究竟有什么詭秘的地方呢?
還是小弟沒找到地方,請各位前輩、大師、學長不要再回避,為小弟指點迷津!
不勝感激!
參考:1.core java volume 1,(Horstmann等著)chapter 3 ,data type
2.THE Java™ Programming Language, Fourth Edition,(Gosling等著)
chapter 7.2 type and literals
以下是引自The java programming language 4th edition 第七章第二節。
boolean either true or false
char 16-bit Unicode UTF-16 code unit (unsigned)
byte 8-bit signed two's-complement integer
short 16-bit signed two's-complement integer
int 32-bit signed two's-complement integer
long 64-bit signed two's-complement integer
float 32-bit IEEE 754 floating-point number
double 64-bit IEEE 754 floating-point number
已有人問過,但說法不一。Matrix論壇
[ 本帖最后由 makeit 于 2007-4-26 14:32 编辑 ] |
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