10. The if statements are used when an if statement is present inside another if statement.

6. The syntax of an if-else statement is: if : statement1 statement2 else: statement3 statement4

9. The syntax of the switch statement is: switch () { case value1: // code to be executed for value1 break; case value2: // code to be executed for value2 break; default: // code to be executed if none of the cases match }

5. The if-else statement allows for execution paths.

4. The syntax of an if statement is: if : statement1 statement2