When using a function,
For example, you have a variable (a=3252).
Some are a.function
Some are functions (a)
" ".join(a)
a.replace(":", "#") //a.reverse( ))
There's this. How do you use it separately? Do I have to memorize everything?
Please answer me. Thank you.
function
There are two main types of general variables in languages that support object orientation. One is a variable that stores only values (such as the common int type), and the other is a class-made variable.
What you need to know here is that within a class of variables, they don't just store values, they contain functions. A variable usually contains a function called a member function (or method).
In the a. function , a is a class-generated variable, and a. to the right of a. indicates a member function in the variable a and means to execute the function.
On the other hand, the function (a) is executed by putting a as an argument in the general function.
Usually a. function like this, Ah, the variable a is a class-type variable.You can think of it as .
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