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double x=1.0 double y=5.0 doubledouble x=1.0 doubl
double x=1.0 double y=5.0 doubledouble x=1.0 doubl
发布时间:2021-02-28 01:51:53
double x=1.0 double y=5.0 doubledouble x=1.0 double y=5.0 double z=x––+(++y) z 的值是多少?怎么算?
网友回答
++i是先加一,再操作,放在后面i++是先操作,再加一.所以这道题先把y加1变成6然后和x相加.z就等于7,这时候操作完了,x再自减变成0.也就是说自减号放x后面,所以先操作再减一,这个自减号对z没影响,只是操作完了x会自减
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