C# literals

Well, I guess this is something that should almost have become automatic actions not needing any further brain cycle wasting... but it's not the case, and every now and then I need to search the net for references and samples, cause I tend to get confused with what can be omitted and what not, so good point to write my own reference in an easy to locate place:

C# literals:

• Array Declaration and Initialization:
  

  
  
  //the long way
  int[] numbers = new int[5] {1, 2, 3, 4, 5};
  
  //shorter
  int[] numbers = new int[] {1, 2, 3, 4, 5};
  
  //the shortest, more friendly way:
  int[] numbers = {1, 2, 3, 4, 5};
  
  

  
  



• Object Initializers
  

  
  
  //Object, (well, this is so obvious, but anyway I add it here to have a complete reference)
  myPerson p = new Person(){
  Name: "xuan",
  Age: 30
  };
  

  
  



• Collections initializers:
  

  
  
  List<int> myList = new List<int>(){1,2,3};
  
  List<Cat> cats = new List<Cat>
  {
      new Cat(){ Name = "Sylvester", Age=8 },
      new Cat(){ Name = "Whiskers", Age=2 },
      new Cat(){ Name = "Sasha", Age=14 }
  };
  

  
  
  And now, the one that I tend to have more doubts with, thinking that I'm just borrowing it from other dynamic languages, but not, this short nice syntax for Dictionaries is perfectly valid C#:
  
  

  
  
  var data = new Dictionary<string, string>
  {
      { "test", "val" }, 
      { "test2", "val2" }
  };