When you are in coding interviews, you often need to explain your code. This article will help you express your thoughts clearly and explain your code effectively in English.
floor(3.6) = 3,floor(-2.2) = -3
)ceil(3.6) = 4,ceil(-2.2) = -2
)Serialization means to convert an object into that string, and deserialization is its inverse operation (convert string -> object).