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oop

How-to articles, tricks, and solutions about OOP

Creating anonymous objects in php

In PHP, anonymous objects can be created using the new class syntax.

Difference between @staticmethod and @classmethod

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

python methods oop python-decorators

Examples of GoF Design Patterns in Java's core libraries

There are many examples of the GoF (Gang of Four) design patterns in the core libraries of Java. Here are some examples:

java oop design-patterns

Get PHP class property by string

In PHP, you can use the $ operator to access an object's properties by name.

php string oop properties

How should I have explained the difference between an Interface and an Abstract class?

An interface is a collection of abstract methods that define a set of functions that a class must implement.

java inheritance interface oop abstract-class

Interface or an Abstract Class: which one to use?

An interface defines a set of methods that a class must implement, but does not provide any implementation for those methods.

php interface oop abstract-class

Meaning of @classmethod and @staticmethod for beginner

In Python, @classmethod is a decorator that is used to define a method as a class method.

python static-methods oop class-method

Multiple Inheritance in PHP

In PHP, multiple inheritance is not supported in the traditional sense, where a class can inherit from multiple classes.

php inheritance oop

Type hinting in PHP 7 - array of objects

In PHP 7, type hinting can be used to specify the expected data type of a function or method parameter.

php arrays oop php-7 type-hinting

Understanding Python super() with init() methods

The super() function is a way to refer to the parent class and its attributes.

inheritance class python oop super

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