设有如下变量char c = 'c';int i = 10;double d = 10;long l = 1;String s = "Hello";以下哪些语句

设有如下变量char c = 'c';int i = 10;double d = 10;long l = 1;String s = "Hello";以下哪些语句编译不出错?

A.c=c+i;

B. s+=i;

C. i+=s;

D. c+=s;

答案参考

答 案：B