Code Questify

  1. Reverse a String Without Built-in Methods Q: Write a C# method to reverse a string without using built-in reverse functions. A: string Reverse(string input) {     char[] result = new char[input.Length];     for (int i = 0; i < input.Length; i++)         result[i] = input[input.Length - 1 - i];     return new string(result); } 2. Find Duplicates in an Integer Array Q: Detect and print duplicates in an integer array. A: void FindDuplicates(int[] arr) {     var seen = new HashSet<int>();     foreach (int num in arr) {         if (seen.Contains(num))             Console.WriteLine("Duplicate: " + num);         else             seen.Add(num);   ...

 Landing a developer role often goes beyond just technical prowess. Companies, especially in a thriving tech hub like Varanasi, are increasingly looking for candidates with strong problem-solving skills, critical thinking, and a logical approach – qualities often assessed through aptitude questions. This blog post will equip you with the top 20 aptitude interview questions commonly asked of developers, complete with detailed answers and strategies to impress your interviewers. We'll also cover how to make your preparation and presentation both SEO and geo-friendly, helping you stand out in the local job market. Why Aptitude Matters for Developers Aptitude questions aren't just about "tricks." They gauge your: Logical Reasoning: Can you break down complex problems into manageable parts? Problem-Solving: How do you approach unfamiliar challenges? Analytical Skills: Can you identify patterns, deduce solutions, and make informed decisions? Quantitative Ability: Are yo...

 Beyond knowing the ins and outs of .NET Core, a successful technical interview often hinges on your ability to solve fundamental coding problems. These questions test your logical thinking, algorithm design, and grasp of basic data structures. This blog post provides 20 essential coding interview questions, complete with explanations and example approaches in C#, to help you shine in your next .NET Core technical assessment. 1. Reverse a String Without Built-in Functions Explanation: A classic that tests your understanding of loops and string manipulation. Question: Write a C# method to reverse a given string without using built-in Reverse() or ToArray() methods. Answer: C# public string ReverseString ( string input ) { if ( string .IsNullOrEmpty(input)) { return input; } char [] charArray = input.ToCharArray(); int left = 0 ; int right = charArray.Length - 1 ; while (left < right) { // Swap characters char...