short和long如何轉(zhuǎn)換 如何把一個(gè)byte數(shù)組的數(shù)字轉(zhuǎn)換成int？
如何把一個(gè)byte數(shù)組的數(shù)字轉(zhuǎn)換成int？int轉(zhuǎn)byte數(shù)組publicstaticbyte[]inttobytes 2（intn）{byte[]b=newbyte[4]for（inti=0i<
如何把一個(gè)byte數(shù)組的數(shù)字轉(zhuǎn)換成int？
int轉(zhuǎn)byte數(shù)組publicstaticbyte[]inttobytes 2（intn）{byte[]b=newbyte[4]for（inti=0i<4i）{b[i]=（byte）（n>>（24-i*8））}returnb}byte轉(zhuǎn)換；int publicstaticintbytepoint2（byte[]b）{intmask=0xffinttemp=0intn=0for（inti=0i）<b.lengthi公司){n<<=8temp=b[i]&maskn |=temp}返回n}