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Interview Preparation Sheets
Practice Test
SQL
SQL Example
SELECT * FROM Customers WHERE Country='US';
DSA (Data Structures & Algorithms)
DSA Example
Given an integer array arr of size N that contains positive and negative numbers. Your task is to find the maximum subarray sum Example 1 :- arr : [-2,1,3,4,-1,2,1,-5,4] Output : 10 .................
Java
Java Example
public class HelloWorld
{
public static void main(String []args)
{
System.out.println("Hello, World!");
}
}C#
C# Example
using System;
public class HelloWorld
{
public static void Main(string[] args)
{
Console.WriteLine("Hello, World!");
}
}Quizzes
Quiz Example
Question 1. What does CPU stand for? a) Central Processing Unit b) Computer Personal Unit c) Central Personal Unit d) Central Processing Utility
Must Explore
Most Popular Tools
Explore our top online tools including a blank page for notes, a QR code generator, word counter and collaborative editor. These free, easy-to-use utilities help you write, analyze, share and organize content faster. Perfect for developers, creators and students to streamline everyday digital tasks efficiently.
Blank Page
Create a blank canvas for your ideas, notes or sketches. Use this tool for rough work and jotting down your thoughts
QR Code Generator
A QR Code Generator is a tool that instantly converts text, URLs or other data into a scannable QR code. Users can create custom QR codes for websites, contact info or messages. It's commonly used for quick access, sharing and printing without needing a backend or complex setup.
Word Counter
Perform various string operations like counting characters, words or letters.
Collaborative Editor
Collab Editor is a powerful, free-to-use online platform that lets you collaborate in real-time. Whether you re working on documents, brainstorming idea, or discussing projects etc
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