看壹下==和.eques的區別
這是API的源碼
?public?boolean?equals(Object?anObject)?{if?(this?==?anObject)?{
return?true;
}
if?(anObject?instanceof?String)?{
String?anotherString?=?(String)?anObject;
int?n?=?value.length;
if?(n?==?anotherString.value.length)?{
char?v1[]?=?value;
char?v2[]?=?anotherString.value;
int?i?=?0;
while?(n--?!=?0)?{
if?(v1[i]?!=?v2[i])
return?false;
i++;
}
return?true;
}
}
return?false;
} cankao:/gzaqq/article/details/1565275