Tech Mahindra Software Development Engineer 1 Interview Questions and Answers

To add a new server in Spring Boot, you need to exclude the default Tomcat dependency and add the desired server dependency.

• Exclude the Tomcat dependency in the pom.xml file

• Add the desired server dependency in the pom.xml file

• Configure the server properties in the application.properties or application.yml file

Checking if a string is not null without using string != null.

• Use string.IsNullOrEmpty() method

• Use string.IsNullOrWhiteSpace() method

• Use string.Compare() method to compare with an empty string

• Use string.Length property to check if length is greater than 0

Yoda notation is a programming style where the order of a conditional statement is reversed.

• Used to avoid null pointer exceptions

• Improves readability for complex conditions

• Example: if ('red' === color) instead of if (color === 'red')

Convert a List of employees into a Map of Employees with ID as the key.

• Create an empty Map

• Iterate through the List of employees

• For each employee, add a key-value pair to the Map with ID as key and employee object as value

A prime number is a positive integer greater than 1 that has no positive integer divisors other than 1 and itself.

• Prime numbers are only divisible by 1 and themselves

• Examples of prime numbers include 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97

• Prime numbers are important in cryptography and number theory

Code to check if a number is prime or not.

• A prime number is only divisible by 1 and itself.

• Start checking from 2 up to the square root of the number.

• If the number is divisible by any number in the range, it's not prime.

• Otherwise, it's prime.

What is the average age of a group of people with ages ranging from 20 to 60?

• Add up all the ages and divide by the number of people in the group

• The age range is 40 years

• Assuming an equal distribution of ages, the average age would be 40

HCL is a global IT services company providing software engineering and consulting services.

• HCL is a multinational company headquartered in India.

• They offer a wide range of IT services including software development, testing, and maintenance.

• HCL has a strong presence in various industries such as healthcare, finance, and manufacturing.

• They have partnerships with leading technology companies like Microsoft, IBM, and Orac...read more

Yes, GD-one time use plastic should be banned.

• One-time use plastic is harmful to the environment and wildlife.

• Alternatives like reusable bags and containers are readily available.

• Many countries and cities have already implemented bans on single-use plastics.

• Reducing plastic waste is crucial for the health of our planet.