You can hide a variable by *shadowing* it, that is, by redefining it with a variable of the same name. You can shadow the variable you want to hide in two ways: - **Shadowing Through Scope.** You can ...

A variable's name is known as an identifier. The identifier given to a variable usually follows certain rules: It can contain letters and numbers but must start with a letter. It must contain at least ...

A variable's name is known as an identifier. The identifier given to a variable usually follows certain rules known as a naming convention: It can contain letters and numbers but must start with a ...