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单选题
Which of the following assignment is not correct？（）
A
float f = 11.1；
B
double d = 5.3E12；
C
double d = 3.14159；
D
double d = 3.14；.
参考答案
参考解析
解析：
浮点数的赋值是带有小数点的数字缺省是double型的，如果在浮点数后面加f或者F则是float，后面加d或者D则是double，科学计数法形式的浮点数也是double型的，而double的精度比float高，将一个高精度的double赋值给一个低精度的float时需要进行强制类型转换，反之则不需要。
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