diff --git a/docs/csharp/advanced-topics/expression-trees/snippets/InterpretExpressions.cs b/docs/csharp/advanced-topics/expression-trees/snippets/InterpretExpressions.cs index a9e39623a98e7..2f7811cd47e59 100644 --- a/docs/csharp/advanced-topics/expression-trees/snippets/InterpretExpressions.cs +++ b/docs/csharp/advanced-topics/expression-trees/snippets/InterpretExpressions.cs @@ -1,4 +1,4 @@ -using System.Linq.Expressions; +using System.Linq.Expressions; public static class InterpretExpressions { public static void ParseExpression() @@ -16,8 +16,7 @@ public static void ParseExpression() ParameterExpression left = (ParameterExpression)operation.Left; ConstantExpression right = (ConstantExpression)operation.Right; - Console.WriteLine("Decomposed expression: {0} => {1} {2} {3}", - param.Name, left.Name, operation.NodeType, right.Value); + Console.WriteLine($"Decomposed expression: {param.Name} => {left.Name} {operation.NodeType} {right.Value}"); // This code produces the following output: diff --git a/docs/csharp/advanced-topics/reflection-and-attributes/snippets/conceptual/Program.cs b/docs/csharp/advanced-topics/reflection-and-attributes/snippets/conceptual/Program.cs index dc1df248ecb26..ec91f5c3fb994 100644 --- a/docs/csharp/advanced-topics/reflection-and-attributes/snippets/conceptual/Program.cs +++ b/docs/csharp/advanced-topics/reflection-and-attributes/snippets/conceptual/Program.cs @@ -1,4 +1,4 @@ -// See https://aka.ms/new-console-template for more information +// See https://aka.ms/new-console-template for more information using System.Reflection; @@ -35,10 +35,10 @@ from method in type.GetMethods() foreach (var groupOfMethods in pubTypesQuery) { - Console.WriteLine("Type: {0}", groupOfMethods.Key); + Console.WriteLine($"Type: {groupOfMethods.Key}"); foreach (var method in groupOfMethods) { - Console.WriteLine(" {0}", method); + Console.WriteLine($" {method}"); } } // diff --git a/docs/csharp/asynchronous-programming/snippets/async-scenarios/Program.cs b/docs/csharp/asynchronous-programming/snippets/async-scenarios/Program.cs index 7b6c61554fc8b..b386d1ddad6a9 100644 --- a/docs/csharp/asynchronous-programming/snippets/async-scenarios/Program.cs +++ b/docs/csharp/asynchronous-programming/snippets/async-scenarios/Program.cs @@ -1,4 +1,4 @@ -using System.Text.RegularExpressions; +using System.Text.RegularExpressions; using System.Windows; using Microsoft.AspNetCore.Mvc; @@ -111,7 +111,7 @@ private static void Download(string URL) private static void DoSomethingWithData(object stringData) { - Console.WriteLine("Displaying data: ", stringData); + Console.WriteLine($"Displaying data: {stringData}"); } // diff --git a/docs/csharp/fundamentals/coding-style/snippets/coding-conventions/program.cs b/docs/csharp/fundamentals/coding-style/snippets/coding-conventions/program.cs index 10611e00813fb..18dbb7db40d2f 100644 --- a/docs/csharp/fundamentals/coding-style/snippets/coding-conventions/program.cs +++ b/docs/csharp/fundamentals/coding-style/snippets/coding-conventions/program.cs @@ -1,4 +1,4 @@ -using System.Text; +using System.Text; namespace Coding_Conventions_Examples { @@ -32,7 +32,7 @@ public static void DelegateExamples() public static void DelMethod(string str) { - Console.WriteLine("DelMethod argument: {0}", str); + Console.WriteLine($"DelMethod argument: {str}"); } // @@ -174,7 +174,7 @@ static void Main(string[] args) if ((divisor != 0) && (dividend / divisor) is var result) { - Console.WriteLine("Quotient: {0}", result); + Console.WriteLine($"Quotient: {result}"); } else { diff --git a/docs/csharp/fundamentals/exceptions/snippets/exceptions/ExceptionTest.cs b/docs/csharp/fundamentals/exceptions/snippets/exceptions/ExceptionTest.cs index 0a7d35889912c..f254485e186a3 100644 --- a/docs/csharp/fundamentals/exceptions/snippets/exceptions/ExceptionTest.cs +++ b/docs/csharp/fundamentals/exceptions/snippets/exceptions/ExceptionTest.cs @@ -1,4 +1,4 @@ -using System; +using System; namespace Exceptions { @@ -22,7 +22,7 @@ public static void Main() try { result = SafeDivision(a, b); - Console.WriteLine("{0} divided by {1} = {2}", a, b, result); + Console.WriteLine($"{a} divided by {b} = {result}"); } catch (DivideByZeroException) { diff --git a/docs/csharp/fundamentals/object-oriented/snippets/objects/Application.cs b/docs/csharp/fundamentals/object-oriented/snippets/objects/Application.cs index be3baf4e91dcb..35382d189fc94 100644 --- a/docs/csharp/fundamentals/object-oriented/snippets/objects/Application.cs +++ b/docs/csharp/fundamentals/object-oriented/snippets/objects/Application.cs @@ -1,4 +1,4 @@ -using System; +using System; namespace Example { @@ -20,7 +20,7 @@ static void Main() // Create struct instance and initialize by using "new". // Memory is allocated on thread stack. Person p1 = new Person("Alex", 9); - Console.WriteLine("p1 Name = {0} Age = {1}", p1.Name, p1.Age); + Console.WriteLine($"p1 Name = {p1.Name} Age = {p1.Age}"); // Create new struct object. Note that struct can be initialized // without using "new". @@ -29,10 +29,10 @@ static void Main() // Assign values to p2 members. p2.Name = "Spencer"; p2.Age = 7; - Console.WriteLine("p2 Name = {0} Age = {1}", p2.Name, p2.Age); + Console.WriteLine($"p2 Name = {p2.Name} Age = {p2.Age}"); // p1 values remain unchanged because p2 is copy. - Console.WriteLine("p1 Name = {0} Age = {1}", p1.Name, p1.Age); + Console.WriteLine($"p1 Name = {p1.Name} Age = {p1.Age}"); } } /* diff --git a/docs/csharp/fundamentals/object-oriented/snippets/objects/Program.cs b/docs/csharp/fundamentals/object-oriented/snippets/objects/Program.cs index fd208fd6d57f4..3853079e5da10 100644 --- a/docs/csharp/fundamentals/object-oriented/snippets/objects/Program.cs +++ b/docs/csharp/fundamentals/object-oriented/snippets/objects/Program.cs @@ -1,4 +1,4 @@ -using System; +using System; public class Person { @@ -17,7 +17,7 @@ class Program static void Main() { Person person1 = new Person("Leopold", 6); - Console.WriteLine("person1 Name = {0} Age = {1}", person1.Name, person1.Age); + Console.WriteLine($"person1 Name = {person1.Name} Age = {person1.Age}"); // Declare new person, assign person1 to it. Person person2 = person1; @@ -26,8 +26,8 @@ static void Main() person2.Name = "Molly"; person2.Age = 16; - Console.WriteLine("person2 Name = {0} Age = {1}", person2.Name, person2.Age); - Console.WriteLine("person1 Name = {0} Age = {1}", person1.Name, person1.Age); + Console.WriteLine($"person2 Name = {person2.Name} Age = {person2.Age}"); + Console.WriteLine($"person1 Name = {person1.Name} Age = {person1.Age}"); } } /* diff --git a/docs/csharp/language-reference/keywords/snippets/ParameterModifiers.cs b/docs/csharp/language-reference/keywords/snippets/ParameterModifiers.cs index 0a0a082846c1c..f85e04d48ce3b 100644 --- a/docs/csharp/language-reference/keywords/snippets/ParameterModifiers.cs +++ b/docs/csharp/language-reference/keywords/snippets/ParameterModifiers.cs @@ -1,4 +1,4 @@ -namespace Keywords; +namespace Keywords; internal class ParameterModifiers { @@ -9,17 +9,17 @@ internal static void ParamPassingExamples() // Passing a variable by value means passing a copy of the variable. // n1 is a value type int n1 = 5; - System.Console.WriteLine("The value before calling the method: {0}", n1); + System.Console.WriteLine($"The value before calling the method: {n1}"); SquareItValue(n1); // Passing the variable by value. - System.Console.WriteLine("The value after calling the method: {0}", n1); + System.Console.WriteLine($"The value after calling the method: {n1}"); static void SquareItValue(int x) // The parameter x is passed by value. // Changes to x will not affect the original value of x. { x *= x; - System.Console.WriteLine("The value inside the method: {0}", x); + System.Console.WriteLine($"The value inside the method: {x}"); } /* Output: The value before calling the method: 5 @@ -49,17 +49,17 @@ static void ChangeValue(int[] pArray) // Passing a value by reference means passing a reference to the variable. // n is a value type int n2 = 5; - System.Console.WriteLine("The value before calling the method: {0}", n2); + System.Console.WriteLine($"The value before calling the method: {n2}"); SquareItReference(ref n2); // Passing the variable by reference. - System.Console.WriteLine("The value after calling the method: {0}", n2); + System.Console.WriteLine($"The value after calling the method: {n2}"); static void SquareItReference(ref int x) // The parameter x is passed by reference. // Changes to x will affect the original value of x. { x *= x; - System.Console.WriteLine("The value inside the method: {0}", x); + System.Console.WriteLine($"The value inside the method: {x}"); } /* Output: The value before calling the method: 5 diff --git a/docs/csharp/language-reference/snippets/unsafe-code/Conversions.cs b/docs/csharp/language-reference/snippets/unsafe-code/Conversions.cs index d3936b484392f..766d41dc2613d 100644 --- a/docs/csharp/language-reference/snippets/unsafe-code/Conversions.cs +++ b/docs/csharp/language-reference/snippets/unsafe-code/Conversions.cs @@ -20,7 +20,7 @@ public static void Conversions() p++; } System.Console.WriteLine(); - System.Console.WriteLine("The value of the integer: {0}", number); + System.Console.WriteLine($"The value of the integer: {number}"); /* Output: The 4 bytes of the integer: 00 04 00 00 diff --git a/docs/csharp/linq/get-started/snippets/WalkthroughWritingLinqQueries/Program.cs b/docs/csharp/linq/get-started/snippets/WalkthroughWritingLinqQueries/Program.cs index ec723d730b08d..19734db556f07 100644 --- a/docs/csharp/linq/get-started/snippets/WalkthroughWritingLinqQueries/Program.cs +++ b/docs/csharp/linq/get-started/snippets/WalkthroughWritingLinqQueries/Program.cs @@ -1,4 +1,4 @@ -// +// using WalkthroughWritingLinqQueries; // Create a data source by using a collection initializer. @@ -237,7 +237,7 @@ from student in students select totalScore; double averageScore = studentQuery.Average(); - Console.WriteLine("Class average score = {0}", averageScore); + Console.WriteLine($"Class average score = {averageScore}"); // Output: // Class average score = 334.166666666667 diff --git a/docs/csharp/linq/standard-query-operators/snippets/standard-query-operators/IndexExamples.cs b/docs/csharp/linq/standard-query-operators/snippets/standard-query-operators/IndexExamples.cs index 00fd4e27b6218..fb76694839ed6 100644 --- a/docs/csharp/linq/standard-query-operators/snippets/standard-query-operators/IndexExamples.cs +++ b/docs/csharp/linq/standard-query-operators/snippets/standard-query-operators/IndexExamples.cs @@ -1,4 +1,4 @@ -using System.Xml.Linq; +using System.Xml.Linq; namespace StandardQueryOperators; @@ -34,7 +34,7 @@ orderby gr.Key foreach (var obj in query) { - Console.WriteLine("Words of length {0}:", obj.Length); + Console.WriteLine($"Words of length {obj.Length}:"); foreach (string word in obj.Words) Console.WriteLine(word); } diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-declare-and-use-read-write-properties/Program.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-declare-and-use-read-write-properties/Program.cs index 3797d553625aa..80915a7794541 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-declare-and-use-read-write-properties/Program.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-declare-and-use-read-write-properties/Program.cs @@ -1,4 +1,4 @@ -using System; +using System; namespace Properties { @@ -74,20 +74,20 @@ static void Main() Person person = new Person(); // Print out the name and the age associated with the person: - Console.WriteLine("Person details - {0}", person); + Console.WriteLine($"Person details - {person}"); // Set some values on the person object: // person.Name = "Joe"; person.Age = 99; // - Console.WriteLine("Person details - {0}", person); + Console.WriteLine($"Person details - {person}"); // Increment the Age property: // person.Age += 1; // - Console.WriteLine("Person details - {0}", person); + Console.WriteLine($"Person details - {person}"); // Keep the console window open in debug mode. Console.WriteLine("Press any key to exit."); diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-implement-and-call-a-custom-extension-method/Program.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-implement-and-call-a-custom-extension-method/Program.cs index 000548409e47b..963b4e6c01aaa 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-implement-and-call-a-custom-extension-method/Program.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/how-to-implement-and-call-a-custom-extension-method/Program.cs @@ -1,11 +1,11 @@ -using CustomExtensions; +using CustomExtensions; string s = "The quick brown fox jumped over the lazy dog."; // Call the method as if it were an // instance method on the type. Note that the first // parameter is not specified by the calling code. int i = s.WordCount(); -System.Console.WriteLine("Word count of s is {0}", i); +System.Console.WriteLine($"Word count of s is {i}"); namespace CustomExtensions diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/methods/Program.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/methods/Program.cs index b9a0906d8a6a8..6c70bd2eeeb55 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/methods/Program.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/methods/Program.cs @@ -1,4 +1,4 @@ -// +// abstract class Motorcycle { // Anyone can call this. @@ -31,7 +31,7 @@ static void Main() moto.AddGas(15); moto.Drive(5, 20); double speed = moto.GetTopSpeed(); - Console.WriteLine("My top speed is {0}", speed); + Console.WriteLine($"My top speed is {speed}"); } } // diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/private-constructors/Program.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/private-constructors/Program.cs index 9d3dfda3ce115..401969c2d0e3c 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/private-constructors/Program.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/private-constructors/Program.cs @@ -1,4 +1,4 @@ -// +// class NLog { // Private Constructor: @@ -33,7 +33,7 @@ static void Main() Counter.currentCount = 100; Counter.IncrementCount(); - Console.WriteLine("New count: {0}", Counter.currentCount); + Console.WriteLine($"New count: {Counter.currentCount}"); // Keep the console window open in debug mode. Console.WriteLine("Press any key to exit."); diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/properties/HidingProperty.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/properties/HidingProperty.cs index b53e23288a2cb..90816192f2c1c 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/properties/HidingProperty.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/properties/HidingProperty.cs @@ -1,4 +1,4 @@ -namespace HidingExample; +namespace HidingExample; // public class Employee { @@ -38,8 +38,8 @@ public static void Test() ((Employee)m1).Name = "Mary"; // - System.Console.WriteLine("Name in the derived class is: {0}", m1.Name); - System.Console.WriteLine("Name in the base class is: {0}", ((Employee)m1).Name); + System.Console.WriteLine($"Name in the derived class is: {m1.Name}"); + System.Console.WriteLine($"Name in the base class is: {((Employee)m1).Name}"); } } /* Output: diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/properties/interfaces.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/properties/interfaces.cs index 7ca67720c05d7..65b6a3d122509 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/properties/interfaces.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/properties/interfaces.cs @@ -1,4 +1,4 @@ -using System; +using System; namespace interfaces { @@ -93,8 +93,8 @@ public static void Examples() e1.Name = System.Console.ReadLine(); System.Console.WriteLine("The employee information:"); - System.Console.WriteLine("Employee number: {0}", e1.Counter); - System.Console.WriteLine("Employee name: {0}", e1.Name); + System.Console.WriteLine($"Employee number: {e1.Counter}"); + System.Console.WriteLine($"Employee name: {e1.Name}"); // } } diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/static-classes-and-static-class-members/Program.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/static-classes-and-static-class-members/Program.cs index 26b8f3fc8e35b..92ca7636bdfcc 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/static-classes-and-static-class-members/Program.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/static-classes-and-static-class-members/Program.cs @@ -1,4 +1,4 @@ -// +// public static class TemperatureConverter { public static double CelsiusToFahrenheit(string temperatureCelsius) @@ -41,13 +41,13 @@ static void Main() case "1": Console.Write("Please enter the Celsius temperature: "); F = TemperatureConverter.CelsiusToFahrenheit(Console.ReadLine() ?? "0"); - Console.WriteLine("Temperature in Fahrenheit: {0:F2}", F); + Console.WriteLine($"Temperature in Fahrenheit: {F:F2}"); break; case "2": Console.Write("Please enter the Fahrenheit temperature: "); C = TemperatureConverter.FahrenheitToCelsius(Console.ReadLine() ?? "0"); - Console.WriteLine("Temperature in Celsius: {0:F2}", C); + Console.WriteLine($"Temperature in Celsius: {C:F2}"); break; default: diff --git a/docs/csharp/programming-guide/classes-and-structs/snippets/static-constructors/Program.cs b/docs/csharp/programming-guide/classes-and-structs/snippets/static-constructors/Program.cs index b08f81b94da6a..d7e912fa0ca35 100644 --- a/docs/csharp/programming-guide/classes-and-structs/snippets/static-constructors/Program.cs +++ b/docs/csharp/programming-guide/classes-and-structs/snippets/static-constructors/Program.cs @@ -1,4 +1,4 @@ -// +// class SimpleClass { // Static variable that must be initialized at run time. @@ -39,7 +39,7 @@ static Bus() public Bus(int routeNum) { RouteNumber = routeNum; - Console.WriteLine("Bus #{0} is created.", RouteNumber); + Console.WriteLine($"Bus #{RouteNumber} is created."); } // Instance method. diff --git a/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityClass/Program.cs b/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityClass/Program.cs index 1bdfd85c65b4d..a222ad8c361d1 100644 --- a/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityClass/Program.cs +++ b/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityClass/Program.cs @@ -1,4 +1,4 @@ -namespace ValueEqualityClass; +namespace ValueEqualityClass; class TwoDPoint : IEquatable { @@ -138,14 +138,14 @@ static void Main(string[] args) int i = 5; Console.WriteLine("pointA.Equals(pointB) = {0}", pointA.Equals(pointB)); - Console.WriteLine("pointA == pointB = {0}", pointA == pointB); + Console.WriteLine($"pointA == pointB = {pointA == pointB}"); Console.WriteLine("null comparison = {0}", pointA.Equals(pointC)); Console.WriteLine("Compare to some other type = {0}", pointA.Equals(i)); TwoDPoint pointD = null; TwoDPoint pointE = null; - Console.WriteLine("Two null TwoDPoints are equal: {0}", pointD == pointE); + Console.WriteLine($"Two null TwoDPoints are equal: {pointD == pointE}"); pointE = new TwoDPoint(3, 4); Console.WriteLine("(pointE == pointA) = {0}", pointE == pointA); diff --git a/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityStruct/Program.cs b/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityStruct/Program.cs index 83b0589f287ec..a0dc9d0974ea5 100644 --- a/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityStruct/Program.cs +++ b/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-define-value-equality-for-a-type/ValueEqualityStruct/Program.cs @@ -1,4 +1,4 @@ -namespace ValueEqualityStruct +namespace ValueEqualityStruct { struct TwoDPoint : IEquatable { @@ -38,7 +38,7 @@ static void Main(string[] args) // True: Console.WriteLine("pointA.Equals(pointB) = {0}", pointA.Equals(pointB)); // True: - Console.WriteLine("pointA == pointB = {0}", pointA == pointB); + Console.WriteLine($"pointA == pointB = {pointA == pointB}"); // True: Console.WriteLine("object.Equals(pointA, pointB) = {0}", object.Equals(pointA, pointB)); // False: @@ -50,7 +50,7 @@ static void Main(string[] args) // False: Console.WriteLine("pointA.Equals(i) = {0}", pointA.Equals(i)); // CS0019: - // Console.WriteLine("pointA == i = {0}", pointA == i); + // Console.WriteLine($"pointA == i = {pointA == i}"); // Compare unboxed to boxed. System.Collections.ArrayList list = new System.Collections.ArrayList(); @@ -64,7 +64,7 @@ static void Main(string[] args) // False: Console.WriteLine("pointA == (pointC = null) = {0}", pointA == pointC); // True: - Console.WriteLine("pointC == pointD = {0}", pointC == pointD); + Console.WriteLine($"pointC == pointD = {pointC == pointD}"); TwoDPoint temp = new TwoDPoint(3, 4); pointC = temp; diff --git a/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-test-for-reference-equality-identity/Program.cs b/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-test-for-reference-equality-identity/Program.cs index 91854f04b0ad0..08277bdfac616 100644 --- a/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-test-for-reference-equality-identity/Program.cs +++ b/docs/csharp/programming-guide/statements-expressions-operators/snippets/how-to-test-for-reference-equality-identity/Program.cs @@ -1,4 +1,4 @@ -using System.Text; +using System.Text; namespace TestReferenceEquality { @@ -44,7 +44,7 @@ static void Main() // that have reference equality also have value equality. tcA.Num = 42; tcA.Name = "TestClass 42"; - Console.WriteLine("tcB.Name = {0} tcB.Num: {1}", tcB.Name, tcB.Num); + Console.WriteLine($"tcB.Name = {tcB.Name} tcB.Num: {tcB.Num}"); #endregion // Demonstrate that two value type instances never have reference equality. @@ -71,7 +71,7 @@ static void Main() // After a new string is assigned to strA, strA and strB // are no longer interned and no longer have reference equality. strA = "Goodbye world!"; - Console.WriteLine("strA = \"{0}\" strB = \"{1}\"", strA, strB); + Console.WriteLine($"strA = '{strA}' strB = '{strB}'"); Console.WriteLine("After strA changes, ReferenceEquals(strA, strB) = {0}", Object.ReferenceEquals(strA, strB)); // false @@ -84,7 +84,7 @@ static void Main() Object.ReferenceEquals(stringC, strB)); // The string class overloads the == operator to perform an equality comparison. - Console.WriteLine("stringC == strB = {0}", stringC == strB); // true + Console.WriteLine($"stringC == strB = {stringC == strB}"); // true #endregion diff --git a/docs/csharp/programming-guide/strings/snippets/StringParsing.cs b/docs/csharp/programming-guide/strings/snippets/StringParsing.cs index fcf276f684c8d..f2b0b7d5332c7 100644 --- a/docs/csharp/programming-guide/strings/snippets/StringParsing.cs +++ b/docs/csharp/programming-guide/strings/snippets/StringParsing.cs @@ -13,7 +13,7 @@ public static void ParseNumericStrings() long number1 = 0; bool canConvert = long.TryParse(numString, out number1); if (canConvert == true) - Console.WriteLine("number1 now = {0}", number1); + Console.WriteLine($"number1 now = {number1}"); else Console.WriteLine("numString is not a valid long"); @@ -21,7 +21,7 @@ public static void ParseNumericStrings() numString = "255"; // A value of 256 will return false canConvert = byte.TryParse(numString, out number2); if (canConvert == true) - Console.WriteLine("number2 now = {0}", number2); + Console.WriteLine($"number2 now = {number2}"); else Console.WriteLine("numString is not a valid byte"); @@ -29,7 +29,7 @@ public static void ParseNumericStrings() numString = "27.3"; //"27" is also a valid decimal canConvert = decimal.TryParse(numString, out number3); if (canConvert == true) - Console.WriteLine("number3 now = {0}", number3); + Console.WriteLine($"number3 now = {number3}"); else Console.WriteLine("number3 is not a valid decimal"); // diff --git a/docs/csharp/snippets/methods/methods40.cs b/docs/csharp/snippets/methods/methods40.cs index c327914a8052c..7cf5ef34643b9 100644 --- a/docs/csharp/snippets/methods/methods40.cs +++ b/docs/csharp/snippets/methods/methods40.cs @@ -1,4 +1,4 @@ -// +// namespace MotorCycleExample { abstract class Motorcycle @@ -35,7 +35,7 @@ static void Main() moto.AddGas(15); _ = moto.Drive(5, 20); double speed = moto.GetTopSpeed(); - Console.WriteLine("My top speed is {0}", speed); + Console.WriteLine($"My top speed is {speed}"); } } // diff --git a/docs/csharp/snippets/methods/named1.cs b/docs/csharp/snippets/methods/named1.cs index 7c26769f9461c..ce3cd89169773 100644 --- a/docs/csharp/snippets/methods/named1.cs +++ b/docs/csharp/snippets/methods/named1.cs @@ -1,4 +1,4 @@ -// +// namespace NamedMotorCycle; class TestMotorcycle : Motorcycle @@ -14,7 +14,7 @@ static void Main() moto.StartEngine(); moto.AddGas(15); int travelTime = moto.Drive(speed: 60, miles: 170); - Console.WriteLine("Travel time: approx. {0} hours", travelTime); + Console.WriteLine($"Travel time: approx. {travelTime} hours"); } } // The example displays the following output: diff --git a/docs/csharp/snippets/methods/named2.cs b/docs/csharp/snippets/methods/named2.cs index 1e3df9d9f175e..4a80d42f5b1db 100644 --- a/docs/csharp/snippets/methods/named2.cs +++ b/docs/csharp/snippets/methods/named2.cs @@ -1,4 +1,4 @@ -class TestMotorcycle : Motorcycle +class TestMotorcycle : Motorcycle { public override int Drive(int miles, int speed) => (int)Math.Round(((double)miles) / speed, 0); @@ -13,7 +13,7 @@ static void Main() // int travelTime = moto.Drive(170, speed: 55); // - Console.WriteLine("Travel time: approx. {0} hours", travelTime); + Console.WriteLine($"Travel time: approx. {travelTime} hours"); } } diff --git a/docs/csharp/snippets/methods/swap107.cs b/docs/csharp/snippets/methods/swap107.cs index 28ee2506242aa..d051b2af58429 100644 --- a/docs/csharp/snippets/methods/swap107.cs +++ b/docs/csharp/snippets/methods/swap107.cs @@ -1,15 +1,15 @@ -// +// public static class RefSwapExample { static void Main() { int i = 2, j = 3; - Console.WriteLine("i = {0} j = {1}", i, j); + Console.WriteLine($"i = {i} j = {j}"); Swap(ref i, ref j); - Console.WriteLine("i = {0} j = {1}", i, j); + Console.WriteLine($"i = {i} j = {j}"); } static void Swap(ref int x, ref int y) =>