题目
A.byte J = (byte)I;
B.long L = (long)I;
C.double D = (double)I;
D.short S = (short)I;
第1题
A.byte J = (byte)I;
B.long L = (long)I;
C.double D = (double)I;
D.short S = (short)I;
第2题
A.byte J = (byte)I;
B.long L = (long)I;
C.double D = (double)I;
D.short S = (short)I;
第3题
A.byte J = (byte)I;
B.long L = (long)I;
C.double D = (double)I;
D.short S = (short)I;
第4题
A.byte J = (byte)I
B.long L = (long)I
C.double D = (double)I
D.short S = (short)I
第5题
A.byte J = (byte)I
B.long L = (long)I
C.double D = (double)I
D.short S = (short)I
第6题
A.byte J = (byte)I;
B.long L = (long)I;
C.double D = (double)I;
D.short S = (short)I;
第7题
A.低精度类型数据向高精度类型转换时,不会丢失数据精度。
B.系统会自动进行低精度类型数据向高精度类型数据的转换。
C.高精度类型数据向低精度类型数据的转换、整型和向浮点型数据之间的转换,必须强制进行,有可能会引起数据丢失。
D.高精度类型数据向低精度类型转换时,也不会丢失数据精度,因为转换是系统进行的。
第9题
A.3
B.6
C.10
D.20
第10题
A.3
B.6
C.10
D.20
第11题
A.3
B.6
C.10
D.20
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