Difference between createMuiTheme and getMuiTheme

Question

In what cases would you use one and not the other? And how do they work differently?

Answer 1

getters and setters or accessors are used in most Object Oriented Programming languages / OOP , these logics says that a getter will only return a data value but wont modify, a setter in the other hand will modify that data

check this out Why use getters and setters/accessors?