Papillary thyroid cancer (also sometimes called papillary thyroid carcinoma) is the most common type of thyroid cancer. You may have even heard your doctor talk about metastatic papillary thyroid cancer (metastatic means that it has spread beyond your thyroid gland).
Classes can have special methods called constructors. A constructor is a method that is automatically called when an object is created. Constructors are used to perform operations at the time an object is created. Constructors typically initialize instance fields and perform other object initialization tasks.
(1) ToString() is a method present in the Object class of the System namespace. Now, Object class is the ultimate base class for all classes in the .NET Framework.So, whenever we create a new class (like Class1), it implicitly extends Object. And it also inherits the ToString() method. namespace N1.