get / set incapsulation
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class SomeClass{ private int id; // field public int GetID() { return id; } public void SetID(int IDValue) {/*someLogicHere;*/ id = IDValue; } } |
properties incapsulation
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class SomeClass2 { private int id; // << field public int IDValue { // << property get { return id; } set { /*someLogicHere;*/ id = IDValue; } } } |
properties incapsulation with value word
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class SomeClass3 { private int id; // << field public int IDValue { // << property get { return id; } set { /*someLogicHere;*/ id = value; } // << value is contextual here } } |
automatical properties
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class SomeClass4 { private int id; // << field public int ID { get; set; } } |
also
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class SomeClass4 { private int id; // << field public int ID { get; protected set; } // only for family of classes } |
if property has object – it must be initialized
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class Car { } class SomeClass5 { private Car c; // << field public Car C { get; set; } // will create c with null reference! Must be created in constructor public SomeClass5() { c = new Car(); } public SomeClass5(Car c) { C = c; } } |
123
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using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace incapsulation { class Program { static void Main(string[] args) { SomeClass sc = new SomeClass(); sc.someMethod(); // << incapsulated } } class SomeClass { public string someField; public void someMethod() { Console.WriteLine("do something with someField"+someField); } } } |