C++ char字符串数组

Question

c+-中定义字符串数组中
char arr[]={'a', 'b', 'c'}和char arr[] ="abc"有什么区别

Answer 1

char arr[]={'a', 'b', 'c'}之后：arr[]={'a', 'b', 'c'}
char arr[] ="abc"之后：arr[] ={'a', 'b', 'c','\0'}，因为"abc"是字符串，会在末尾加一个结束符\0