Demonstrate the default keyword. : default « Generic « C# / CSharp Tutorial

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C# / CSharp Tutorial » Generic » default 
18.22.1.Demonstrate the default keyword.
using System; 
 
class MyClass 

 
// Construct a default object of T. 
class Test<T> {  
  public T obj; 
 
  public Test() { 
    // obj must be a reference type. 
    // obj = null; 
 
    // This statement works for both  
    // reference and value types. 
    obj = default(T)
  

 
class MainClass 
  public static void Main() { 
    Test<MyClass> x = new Test<MyClass>()
 
    if(x.obj == null
      Console.WriteLine("x.obj is null.")
 
    Test<int> y = new Test<int>()
 
    if(y.obj == 0
      Console.WriteLine("y.obj is 0.")
  
}
x.obj is null.
y.obj is 0.
18.22.default
18.22.1.Demonstrate the default keyword.
18.22.2.Default generic value
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