How-to articles, tricks, and solutions about METHODS

Declaration of Methods should be Compatible with Parent Methods in PHP

In PHP, when a class inherits from another class, it is said to be a subclass or derived class.

Difference between @staticmethod and @classmethod

In Python, a method is a function that is associated with a class.

Does Java support default parameter values?

Java does not have built-in support for default parameter values like some other programming languages.

Getting the name of the currently executing method

To get the name of the currently executing method in Java, you can use the Thread.currentThread().getStackTrace() method.

Is arr.__len__() the preferred way to get the length of an array in Python?

No, in python the built-in len() function is the preferred way to get the length of an array, list or any other iterable object.

Is Java "pass-by-reference" or "pass-by-value"?

In Java, arguments are passed to methods by value. This means that when you pass an argument to a method, the method receives a copy of the argument rather than a reference to the original object.

PHP class: Global variable as property in class

You can use the global keyword to access a global variable inside a class.

TypeError: method() takes 1 positional argument but 2 were given

This error message is indicating that a method or function called "method" is expecting one argument, but it was called with two arguments.

When is the finalize() method called in Java?

In Java, the finalize method is called by the garbage collector when it determines that an object is no longer reachable.