Static method in Objective-C

In Objective-C, you can define a static method in a class using the following syntax:

@implementation ClassName
+ (returnType)methodName:(paramType)paramName {

    // code for method

}
@end

Here's an example of a class with a static method:

@implementation Math
+ (int)add:(int)a to:(int)b {

    return a + b;

}
@end

In this example, the Math class has a static method called add:to: that takes two int parameters and returns their sum. You can call this method from anywhere in your app using the class name and the method name like this:

int sum = [Math add:5 to:10];

In this example, the add:to: method is called on the Math class with the parameters 5 and 10, and the result is stored in the sum variable.