Learn the basic concepts and differences between mutable and immutable objects in JavaScript, how to create and modify them, and their benefits and drawbacks.

Essentially, string keyword is an alias for System.String class. String objects are immutable (i.e. they cannot be changed after they have been created) whereas StringBuilder is mutable(i.e. they can ...

This repo will teach you the difference between strings, numbers and booleans, arrays and objects, when it comes to coping and referencing. Strings, numbers and booleans can be copied and changed ...

There are some differences in syntax ... firstName as a variable of type string: let firstName: string Among Java's main selling points are that it's object-oriented, with a similar syntax to C++, and ...

but this will return a new string or number, not modify the original ones. Immutable objects have some advantages over mutable ones. They can prevent side effects, make your code easier to reason ...