Nimap Infotech Interview Questions and Answers

Find the second largest number in an array of integers using Java.

• 1. Sort the array in descending order and pick the second element. Example: [3, 1, 4, 2] -> sorted: [4, 3, 2, 1] -> second largest: 3.

• 2. Use a loop to track the largest and second largest numbers. Example: for array [5, 3, 9, 1], largest=9, secondLargest=5.

• 3. Handle duplicates by checking if the current number is greater than the largest and n...read more

Newman reports in Postman can be generated using the command line tool Newman to run collections and export results.

• Install Newman globally using npm: `npm install -g newman`.

• Run your Postman collection with Newman: `newman run <collection-file.json>`.

• To generate an HTML report, use: `newman run <collection-file.json> -r html`. This creates an HTML report.

• You can specify the output file for the report:...read more

Postman allows users to create collection and environment variables for efficient API testing.

• To create a collection variable, go to the collection, click on 'Variables', and add key-value pairs.

• Example: Add a variable 'authToken' with value '12345' for authentication in requests.

• To create an environment variable, click on the 'Environment' dropdown, select 'Manage Environments', and add a new environment.

• Example:...read more

Fitts's Law predicts the time required to rapidly move to a target area, based on size and distance.

• Fitts's Law formula: MT = a + b * log2(D/W), where MT is movement time, D is distance, and W is width of the target.

• Larger targets are easier to hit, reducing movement time; for example, a big button is quicker to click than a small one.

• Targets closer to the user are faster to reach; for instance, a menu item at the...read more

UX laws are principles and guidelines that help designers create user-friendly and intuitive experiences.

• Hick's Law - The time it takes to make a decision increases with the number of choices available.

• Fitts's Law - The time to move to a target is a function of the distance to the target and the size of the target.

• Law of Proximity - Objects that are near each other are perceived as a group.

• Law of Similarity - Obje...read more

Test cases for AC (air conditioning) system

• Test the AC system in different temperature settings (low, medium, high)

• Test the AC system in different modes (cooling, heating, fan only)

• Test the AC system with different fan speeds

• Test the AC system for proper air flow and temperature control

• Test the AC system for noise levels

• Test the AC system for energy efficiency

Abstract class is a class with some abstract methods while interface is a contract with no implementation.

• Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

• A class can implement multiple interfaces but can inherit only one abstract class.

• Abstract classes can have constructors, fields, and properties, while interfaces cannot.

• Example: Abstract class - Anim...read more

Variables are containers for storing data. Loops are used to iterate over a sequence of elements. OOPs is a programming paradigm based on objects and classes.

• Variables are used to store data in memory. They can be assigned different values and data types.

• Rules for naming variables: must start with a letter or underscore, can contain letters, numbers, and underscores, cannot start with a number.

• Loops are used to ex...read more