if condition1 {
// code to be executed if condition1 is true
} else if condition2 {
// code to be executed if condition1 is false and condition2 is true
} else {
// code to be executed if condition1 and condition2 are both false
}
if condition1 {
// code to be executed if condition1 is true
} else if condition2 {
// code to be executed if condition1 is false and condition2 is true
} else {
// code to be executed if condition1 and condition2 are both false
}