How would you declare a class Calculator with a static method add that returns the sum of two numbers a and b?

hard📝 Application Q9 of 15

PHP - Classes and Objects

How would you declare a class Calculator with a static method add that returns the sum of two numbers a and b?

Aclass Calculator { static add($a, $b) { return $a + $b; } }

Bclass Calculator { public static function add($a, $b) { return $a + $b; } }

Cclass Calculator { public function static add($a, $b) { return $a + $b; } }

Dclass Calculator { function add($a, $b) static { return $a + $b; } }

Step-by-Step Solution

Solution:

Step 1: Understand static method syntax
Static methods are declared with public static function followed by the method name.
Step 2: Verify correct syntax
class Calculator { public static function add($a, $b) { return $a + $b; } } correctly declares the static method add with parameters and returns their sum.
Final Answer:
class Calculator { public static function add($a, $b) { return $a + $b; } } -> Option B
Quick Check:
Static method syntax = public static function name() [OK]

Quick Trick: Use 'public static function' to declare static methods [OK]

Common Mistakes:

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