public static void Main()
{
TestClass1 tc1 = new TestClass1();
TestClass2 tc2 = new TestClass2();
// The following call fails because TestClass1 does not have
// a method called DisplaySomething.
tc1.DisplaySomething("Hello"); // CS1061
// To correct the error, change the method call to either
// tc1.WriteSomething or tc2.DisplaySomething.
tc1.WriteSomething("Hello from TestClass1");
tc2.DisplaySomething("Hello from TestClass2");
}
