Which code fragment cause a compilation error?



A. 

float flt = 100F;
B. 
float flt = (float) 1_11.00;
C. 
float flt = 100;
D. 
double y1 = 203.22;
float flt = y1;
E. 
int y2 = 100;
float flt = (float) y2;

題解

選項D會編譯錯誤，因為double不能隱含式(implicit)轉成float。