In C#, the parentheses () are used in various ways. Here are a few examples: 1. Method Invocation: Parentheses are used to call a method and pass arguments. For example: \u0060\u0060\u0060csharp Console.WriteLine("Hello, World!"); \u0060\u0060\u0060 2. Method Declaration: Parentheses are used in method declarations to define parameters. For example: \u0060\u0060\u0060csharp void CalculateSum(int num1, int num2) { \u002f\u002f Method body } \u0060\u0060\u0060 3. Conditional Statements: Parentheses are used in if statements, while loops, for loops, etc., to enclose the condition. For example: \u0060\u0060\u0060csharp if (num1 > num2) { \u002f\u002f Code block executed if the condition is true } \u0060\u0060\u0060 4. Casting: Parentheses are used in casting to convert a value from one type to another. For example: \u0060\u0060\u0060csharp int result = (int)3.14; \u0060\u0060\u0060 5. Array Initialization: Parentheses are used to initialize an array with values. For example: \u0060\u0060\u0060csharp int[] numbers = new int[] { 1, 2, 3, 4, 5 }; \u0060\u0060\u0060 6. Lambda Expressions: Parentheses are used in lambda expressions to define input parameters. For example: \u0060\u0060\u0060csharp var filteredList = myList.Where(x => x > 5); \u0060\u0060\u0060 These are just a few examples of the usage of parentheses in C#.


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