this Keyword4 Master Constructor C# with Example
using System; namespace CSharpClass { class Student { int rollNumber; string name; public Student() {} public Student(int rn) { rollNumber = rn; } public Student(string name) { this.name = name; } public Student(int rn, string name) { this.name = name; rollNumber = rn; } public void Display() { Console.WriteLine("Roll Number: " + rollNumber); Console.WriteLine("Name: " + name); } } class UsingStudent { static void Main( ) { Console.WriteLine("First Student Information: "); Student stdObj1 = new Student(); stdObj1.Display(); Console.WriteLine("\nSecond Student Information: "); Student stdObj2 = new Student(100); stdObj2.Display(); Console.WriteLine("\nThird Student Information: "); Student stdObj3 = new Student("Kuldeep Mishra"); stdObj3.Display(); Console.WriteLine("\nFourth Student Information: "); Student stdObj4 = new Student(200, "Kuldeep Mishra"); stdObj4.Display(); } } }