A.a=0Xff30,b=0Xff60
B.a=0X30,b=0X60
C.a=0Xff30,b=0X60
D.a=0X30,b=0Xff60
A.该程序完全正确
B.以上说法都不正确
C.该程序有错,只要将语句swap(&a,&b);中的参数改为a,b即可
D.该程序有错只要将swap()函数中的形参p、q和变量均定义为指针即可
A.floatx(inta,intb){returna-b;}
B.intx(inta,intb){returna-b;}
C.intx(inta,intb);{returna*b;}
D.intx(inta,intb){returna*b;}
A.floatafun(floata,floatb){}
B.publicintafun(inta,intb)throwsexception{}
C.publicfloatafun(floatp,floatq){}
D.publicintafun(inta,intb)throwsioexception{}