![]() Pseudocode is a plain language description of the steps in an algorithm and used to portray a concept without needing to write long lines of code. In this manner, this study aims to systematically review the literature. The UML is a detailed visual chart that represents the process of software development and engineering. But an aero plane is no longer really an aero plane without its wings.Ī box with a dashed line and a circle placed near a class method. UML diagrams make it easier to identify the requirements and scopes of systems and applications by providing visual models. Books can exist without the Library.Ī filled diamond with a line and arrow head.Īeroplane can be composed of Wings and other parts. Books and Library can exist independently of each other. UML 2.2 has 14 types of diagrams divided into multiple categories as shown in. The extended class contains all the attributes/fields and methods of the inherited class, including its own extra methods, attributes/fields, overrides and overloads.Īn unfilled arrow, with a dashed line pointing to the interface that is being implemented.Ī class that implements an interface must implement all the methods declared in the interface.Īn unfilled diamond with a line and arrow head. Communication diagrams are best used when one use case has multiple scenarios that need depicting. Ex: Sequence diagram, Activity diagram, State Machine diagram. e.g., The Person starts the Car engine.Īn unfilled arrow, with a line pointing to the class that is being extended/inherited. Directed AssociationĬlassA uses ClassB or an object of ClassB.ĬlassA calls a static class method, a static abstract method or a method/property/field from an object of type ClassB. UML has nine types of diagrams class, object, sequence, collaboration, use case, statechart, activity, deployment and, component diagram. The UML methodology also has a standardized way to write a. In UML, protected members are indicated using the # symbol which can cause confusion if indicating private fields/properties/variables in modern JavaScript and TypeScript. A UML diagram is a visual way to specify, construct and document information about software systems. In the bottom left square, I also have a protected method which is indicated by the # symbol. ![]()
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