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Generics

Understand high-level programming concepts (such as inheritance, encapsulation, data abstraction, and polymorphism) and how they are implemented. 

Level 2 Programming theory

Joy Horvath

Instructional Designer

U_Intermediate_5_Generics.mp4

How to create and use generic methods and classes. 

Games

Enable easier readability and debugging by correctly organizing classes to include only singular purpose code

Add new functionality to non-editable classes by applying extension methods

Organize and prevent conflicts between scripts by using namespaces

Manage the communication of a GameObject’s status changes to other objects in the application by using Events 

Write efficient, organized, and comprehensible code by correctly implementing the principles of object-oriented programming

Intermediate Scripting

using UnityEngine;
using System.Collections;

public class SomeClass 
{
    //Here is a generic method. Notice the generic
    //type 'T'. This 'T' will be replaced at runtime
    //with an actual type. 
    public T GenericMethod<T>(T param)
    {
        return param;
    }
}

using UnityEngine;
using System.Collections;

public class SomeOtherClass : MonoBehaviour 
{
    void Start () 
    {
        SomeClass myClass = new SomeClass();

        //In order to use this method you must
        //tell the method what type to replace
        //'T' with.
        myClass.GenericMethod<int>(5);
    }
}


using UnityEngine;
using System.Collections;

//Here is a generic class. Notice the generic type 'T'.
//'T' will be replaced with an actual type, as will also 
//instances of the type 'T' used in the class.
public class GenericClass <T>
{
    T item;

    public void UpdateItem(T newItem)
    {
        item = newItem;
    }
}

using UnityEngine;
using System.Collections;

public class GenericClassExample : MonoBehaviour 
{
    void Start () 
    {        
        //In order to create an object of a generic class, you must
        //specify the type you want the class to have.
        GenericClass<int> myClass = new GenericClass<int>();

        myClass.UpdateItem(5);
    }
}


Generics

1. Generics

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