When to use switch instead of if statements?

• If your code needs to compare many possible conditions of an expression where the expression itself is non-trivial.
• If your code contains many values that may need the same code.
• If your code contains some values that essentially require all of another value's execution, only including few statements.

When to Use if instead of switch statements?

• If you are testing the truthiness of an expression.
• If your code only has a single confirming test.
• If you code requires to evaluate a different expression for every branch.