值类型 Equals 与 == 等同； string 经过重写， Equals 与 == 等同； object 类型，string 的特殊性； 其他类 类型。 object t = "123"; object a = t;[......]继续阅读

Value type Equals and == are equivalent; For string, after overriding, Equals and == are equivalent; For object type, the specificity of string; For o[......] 继续阅读