题目内容
(请给出正确答案)
[主观题]
下列变量定义错误的是()
下列变量定义错误的是()
A.inta;
B.doubleb=4.5;
C.booleanb=true;
D.floatf=9.8;
提问人:网友ty2020
发布时间:2022-01-07
A.inta;
B.doubleb=4.5;
C.booleanb=true;
D.floatf=9.8;
B.struct{intnum;intage;}teach1,teach2;
C.struct{intnum;intage;}teacher;structteacherteach1;
D.structteacher{intnum;intage;};structteacherteach1;;
A、val a = 3
B、val a:String = 3
C、var b:Int = 3 ; b = 6
D、var b = "Hello World!" ; b = "123"
A、Dim 123a As Integer
B、Dom b As Double
C、Dim c1 As Singlen
D、Dim a_1,b_2 As String
A、float,double,int,long
B、double, float,int,byte
C、byte,long,double,float
D、double,int,float,long
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