Standard form in Objective-C

Control flow / Conditional statements / if/else statements

Alternative form
Standard form
Common mistake
Complex conditions
Ternary operator
"if" with result
Condition with assignment
Checking API availability
Conditional compilation block

if (latitude == 0) {
    location = @"Equator";
} else if (latitude == 90) {
    location = @"north Pole";
} else if (latitude == -90) {
    location = @"south Pole";
} else {
    location = @"not at the Equator or Pole";
}