From 7e8d522b624da88b9d5e48564fb514440f127478 Mon Sep 17 00:00:00 2001 From: tvaltn Date: Mon, 12 Aug 2024 15:22:22 +0200 Subject: [PATCH] core and extension done --- csharp-fundamentals-strings.Main/Core.cs | 16 +++++++++------- csharp-fundamentals-strings.Main/Extension.cs | 16 +++++++++++++--- 2 files changed, 22 insertions(+), 10 deletions(-) diff --git a/csharp-fundamentals-strings.Main/Core.cs b/csharp-fundamentals-strings.Main/Core.cs index 141c9a7..cc812b0 100644 --- a/csharp-fundamentals-strings.Main/Core.cs +++ b/csharp-fundamentals-strings.Main/Core.cs @@ -14,7 +14,7 @@ public class Core //TODO: 1. The brokenUrl member above contains an invalid URL. There's a z instead of an s in the protocol (httpz instead of https). // Using the `replace` method on brokenUrl, set the fixedUrl member below to the correct value. // https://learn.microsoft.com/en-us/dotnet/api/system.string.replace?view=net-7.0 - public string fixedUrl => string.Empty; + public string fixedUrl => brokenUrl.Replace("httpz", "https"); // Here's a documentation link for all string methods, use it to figure out how to complete the rest of these requirements: @@ -23,27 +23,29 @@ public class Core //TODO: 2. There are currently some upper case characters in the URL. Using an appropriate string method on the fixedUrl member above, // set the value of lowerCasedUrl. - public string lowerCasedUrl => string.Empty; + public string lowerCasedUrl => fixedUrl.ToLower(); //TODO: 3. There is still white space on both ends of the URL! Use the appropriate string method to trim that white space // and set the value of the url member below - public string url => string.Empty; + public string url => lowerCasedUrl.Trim(); //TODO: 4. Using the appropriate string method on url, set the value of the protocol member below - public string protocol => string.Empty; + public string protocol => url.Substring(0, url.IndexOf("://")); //TODO: 5. Using the appropriate string method on url, set the value of the domain member below - public string domain => string.Empty; + public int startIndex => url.IndexOf("://") + "://".Length; + public int endIndex => url.IndexOf("/", 9); + public string domain => url.Substring(startIndex, endIndex - startIndex); //TODO: 6. Set the length member below to the length of the url member - public int length => 0; + public int length => url.Length; //TODO: 7. Using concatenation and existing members, set the faqUrl member below to the faq page of the boolean website - public string faqUrl => string.Empty; + public string faqUrl => $"{protocol}://{domain}/faq"; } } diff --git a/csharp-fundamentals-strings.Main/Extension.cs b/csharp-fundamentals-strings.Main/Extension.cs index ac3b7b2..8b12dea 100644 --- a/csharp-fundamentals-strings.Main/Extension.cs +++ b/csharp-fundamentals-strings.Main/Extension.cs @@ -42,7 +42,7 @@ public StringBuilder one() // 1. Using the sb variable above, add "Hello, world!" to the StringBuilder // WRITE YOUR CODE BETWEEN THIS LINE... - + sb.Append("Hello, world!"); // ...AND THIS LINE @@ -53,12 +53,18 @@ public StringBuilder one() public StringBuilder two() { StringBuilder sb = new StringBuilder(); + StringBuilder sb2 = new StringBuilder(); // 1. Using the sb variable above, add "Hello, world!" to the StringBuilder // 2. After adding the message, use an appropriate StringBuilder method to reverse it // WRITE YOUR CODE BETWEEN THIS LINE... + sb.Append("Hello, world!"); + for (int i = sb.Length-1; i >= 0; i--) + { + sb2.Append(sb[i]); + } - + sb = sb2; // ...AND THIS LINE @@ -73,6 +79,9 @@ public StringBuilder three() // 2. After adding the message, remove the comma. // WRITE YOUR CODE BETWEEN THIS LINE... + sb.Append("Hello, world!"); + sb.Replace(",", ""); + // ...AND THIS LINE @@ -88,7 +97,8 @@ public StringBuilder four() // 2. After adding the message, replace the word "world" with the word "C#" // WRITE YOUR CODE BETWEEN THIS LINE... - + sb.Append("Hello, world!"); + sb.Replace("world", "C#"); // ...AND THIS LINE