多选题Which two are valid declarations of char？（）AChar ch = “a”；Bchar ch = “”；Cchar ch = “café”；Dchar ch = “ucafe”；Echar ch = “ucafe’；Fchar ch = “u10100’；Gchar ch = （char） true；
题目
多选题
Which two are valid declarations of char？（）
A
Char ch = “a”；
B
char ch = “”；
C
char ch = “café”；
D
char ch = “ucafe”；
E
char ch = “ucafe’；
F
char ch = “u10100’；
G
char ch = （char） true；