10+ LLadro Interview Questions and Answers

The program calculates the difference between the sum of odd and even position digits in a given number.

• Iterate through each digit of the number

• Keep track of the sum of digits at odd positions and even positions separately

• Calculate the difference between the two sums

Generate a hash function using MySQL

• Use the MySQL built-in function SHA2() to generate a hash value

• Specify the input string and the desired hash length as parameters

• Example: SELECT SHA2('hello', 256) AS hash_value;

Code to print the multiplication table

• Use nested loops to iterate through rows and columns

• Print the product of row and column for each cell

• Consider formatting the output for better readability

Use SQL UPDATE statement with CONCAT and UPPER functions to update first letter to upper case.

• Use UPDATE statement to modify the data in the table

• Use CONCAT function to combine the UPPER function with the rest of the string

• Use UPPER function to convert the first letter to upper case

A palindrome number is the same when read forwards and backwards.

• Convert the number to a string to easily check for palindrome

• Reverse the string and compare it with the original string

• If they are the same, the number is a palindrome

Cloud computing is the delivery of computing services over the internet, including storage, servers, databases, networking, software, and more.

• Cloud computing allows users to access and use resources on-demand without the need for physical infrastructure.

• Examples of cloud computing services include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform.

• Cloud computing offers scalability, flexibility, cost-effectiveness, and increased efficiency for businesses a...read more

I chose TCS for its global presence, diverse opportunities, and strong reputation in the IT industry.

• Global presence with offices in multiple countries

• Diverse opportunities for career growth and development

• Strong reputation in the IT industry for quality services

• Positive reviews from current and former employees

TCS is a multinational IT services and consulting company headquartered in India.

• TCS stands for Tata Consultancy Services

• It is one of the largest IT services companies in the world

• TCS offers services in areas such as consulting, software development, and business process outsourcing

Use hashing algorithms like bcrypt to securely encrypt passwords in code.

• Use a secure hashing algorithm like bcrypt to encrypt passwords in code.

• Never store passwords in plain text.

• Salt the passwords before hashing for added security.

• Implement proper password storage and validation techniques.

• Example: bcrypt.hashSync('password', 10)

Mutable and immutable refer to the ability to change or not change an object's state.

• Mutable objects can be modified after creation, while immutable objects cannot be changed.

• Examples of mutable objects include lists and dictionaries in Python.

• Examples of immutable objects include strings and tuples in Python.

Find the largest sum of a subarray within an array of strings.

• Iterate through the array and keep track of the sum of each subarray.

• Update the maximum sum as you go through the array.

• Return the largest sum found.

Beans in Spring Boot provide a way to manage and configure application components.

• Beans are managed by the Spring IoC container

• They are created and initialized by the container

• Beans can be defined using annotations or XML configuration

• They can be scoped as singleton, prototype, request, session, etc.

• Beans can be autowired to inject dependencies

• Example: @Component annotation creates a bean

• Example: @Autowired annotation injects a bean

Spring Boot is a framework that simplifies the development of Java applications by providing a pre-configured environment.

• Spring Boot is built on top of the Spring framework and follows the convention over configuration principle.

• It allows developers to create stand-alone, production-grade Spring-based applications with minimal configuration.

• Spring Boot provides a wide range of features like auto-configuration, embedded servers, and dependency management.

• It promotes the use o...read more

Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements, and swaps them if they are in the wrong order.

• Start by comparing the first two elements of the array and swap them if necessary.

• Continue comparing adjacent elements and swapping them until the array is sorted.

• Repeat this process for each element in the array until no more swaps are needed.