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Static Class: A class that only contains static components and no instance components is referred to as a static class. Singleton Class: It is a class which does not allow you to create multiple instances.
Here we have not used any instance of class inside static main method. This is the use of static method in our applications. Introduction. MSDN Definition: A static class is basically the same as a non-static class, but there is one difference: a static class cannot be instantiated. In other words, we cannot use the new keyword to create a variable of the class type. Because there is no instance variable, we access the members of a static class by using the class name itself. C# fields must be declared inside a class.