20+ ISMT Interview Questions and Answers

When passing an object as the key in a map, extra functionality needs to be implemented to ensure proper hashing and equality comparison.

• Override hashCode() method to generate a unique hash code for the object

• Override equals() method to compare the objects for equality

• Implement Comparable interface if custom sorting is required

Functional interfaces can have only one abstract method, but can have multiple static and default methods.

• Functional interfaces in Java can have only one abstract method, but can have multiple static and default methods.

• Static methods in functional interfaces can be called using the interface name itself.

• Default methods provide a default implementation in the interface itself.

• Example: java.util.function.Function is a functional interface with one abstract method and default m...read more

Use synchronization mechanisms like barriers or join to aggregate parallel threads

• Use synchronization mechanisms like barriers or join to wait for all threads to complete before proceeding

• Implement a barrier that blocks all threads until they all reach a certain point in the code

• Use a join operation to wait for all threads to finish before continuing execution

Use Comparator interface to sort objects by fields in Java.

• Implement Comparator interface and override compare method

• Use Collections.sort() method with custom Comparator

• Example: Sorting a list of Person objects by age field

UPS logistics involves managing the flow of goods, information, and funds between the point of origin and the point of consumption.

• UPS is a global leader in logistics and package delivery services.

• They offer a range of services including transportation, distribution, freight forwarding, and supply chain solutions.

• UPS utilizes advanced technology such as tracking systems and route optimization to improve efficiency.

• Their logistics network includes warehouses, distribution cent...read more

To reduce the outstanding balance, follow these steps:

• Analyze the outstanding balance to identify the main contributors

• Contact customers with outstanding balances to remind them of their payment obligations

• Offer payment plans or discounts to incentivize prompt payment

• Implement stricter credit control measures to prevent further outstanding balances

• Regularly monitor and follow up on outstanding balances to ensure timely resolution

Implementing Spring security involves configuring security settings in the Spring application.

• Add Spring Security dependency in pom.xml

• Configure security settings in SecurityConfig class

• Define user roles and permissions

• Use annotations like @EnableWebSecurity and @Secured

Accounts receivable is the money owed to a company by its customers, while accounts payable is the money a company owes to its suppliers.

• Accounts receivable refers to the outstanding invoices or money owed to a company by its customers for goods or services provided.

• Accounts payable refers to the outstanding invoices or money that a company owes to its suppliers or vendors for goods or services received.

• Accounts receivable is an asset on the company's balance sheet, represent...read more

Accounts receivable is the money owed to a company by its customers for goods or services provided on credit.

• Accounts receivable represents the amount of money owed to a company by its customers.

• It is considered an asset on the company's balance sheet.

• Companies often have specific terms for when accounts receivable must be paid, such as net 30 or net 60.

• Monitoring accounts receivable is important for cash flow management and financial health of a company.

I will design the APIs by first understanding the requirements, defining the endpoints, choosing the appropriate HTTP methods, and documenting the API specifications.

• Understand the requirements and use cases for the APIs

• Define the endpoints and their functionalities

• Choose the appropriate HTTP methods for each endpoint (GET, POST, PUT, DELETE)

• Document the API specifications including request and response formats

Post is used to create a new resource, put is used to update an existing resource, and patch is used to partially update an existing resource.

• Post is used to create a new resource in RESTful APIs

• Put is used to update an existing resource in RESTful APIs

• Patch is used to partially update an existing resource in RESTful APIs

• Post is typically used for creating new records in a database

• Put is typically used for updating existing records in a database

• Patch is typically used for mak...read more

Account receivable is the money owed to a company by its customers for goods or services provided on credit.

• It is a current asset on the balance sheet

• It represents the amount of money owed to the company by its customers

• It is usually collected within a certain period of time, typically 30-90 days

• Examples include outstanding invoices, unpaid bills, and customer payments that have not yet been deposited

• It is important for companies to manage their accounts receivable to ensure ...read more

My greatest strengths include problem-solving skills, attention to detail, and strong communication abilities.

• Strong problem-solving skills - I enjoy tackling complex issues and finding creative solutions.

• Attention to detail - I am meticulous in my work to ensure accuracy and quality.

• Strong communication abilities - I can effectively convey ideas and collaborate with team members.

• Adaptability - I am able to quickly learn new technologies and adapt to changing environments.

The golden rule of accounting states that debit what comes in and credit what goes out.

• Debit what comes in and credit what goes out

• Assets = Liabilities + Equity

• Helps maintain the accounting equation balance

• Used to ensure accurate recording of financial transactions

Finance focuses on managing money and investments, while accounting focuses on recording and analyzing financial transactions.

• Finance involves managing money, investments, and financial risks.

• Accounting involves recording, classifying, and analyzing financial transactions.

• Finance helps in making financial decisions and managing funds effectively.

• Accounting helps in providing financial information for decision-making and reporting purposes.

• Examples: Finance includes budgeting,...read more

RESTful is an architectural style that uses HTTP for communication, while SOAP is a protocol that uses XML for communication.

• RESTful is lightweight and uses standard HTTP methods like GET, POST, PUT, DELETE.

• SOAP is more rigid and uses XML-based messaging protocol.

• RESTful is stateless, while SOAP can maintain state.

• RESTful is more popular for web services, while SOAP is commonly used in enterprise applications.

Open close principle states that a class should be open for extension but closed for modification.

• Classes should be open for extension through inheritance or implementing interfaces

• Classes should be closed for modification to avoid breaking existing code

• Example: Using abstract classes or interfaces to define behavior and allowing subclasses to implement specific functionality

Boosting algorithms are ensemble learning techniques that combine multiple weak learners to create a strong learner.

• Boosting algorithms train models sequentially, with each model correcting errors made by the previous one.

• Examples of boosting algorithms include AdaBoost, Gradient Boosting, and XGBoost.

• AdaBoost adjusts the weights of incorrectly classified instances, Gradient Boosting fits new models to the residuals of the previous model, and XGBoost uses a more regularized m...read more

LINQ joins on 2 tables allow for combining data from both tables based on a common key.

• Use the 'join' keyword in LINQ to join two tables based on a common key

• Specify the key to join on using 'equals' keyword

• Select the desired columns from both tables in the result

The environment refers to the operating system, hardware, and software components in which the system software will run.

• Operating system (e.g. Windows, Linux, macOS)

• Hardware specifications (e.g. CPU, memory, storage)

• Software dependencies (e.g. libraries, frameworks)

• Development tools and IDEs used

• Network environment (e.g. internet connectivity, firewalls)

Golden rules of accounting are basic principles that guide the process of recording financial transactions.

• The three golden rules of accounting are: Debit what comes in, Credit what goes out, Debit the receiver, Credit the giver, Debit all expenses and losses, Credit all incomes and gains.

• These rules help ensure that financial transactions are accurately recorded and classified.

• For example, when a company receives cash from a customer, the transaction would be recorded by deb...read more

Neural networks are a type of machine learning algorithm inspired by the human brain, consisting of interconnected nodes that process information.

• Neural networks consist of layers of interconnected nodes called neurons.

• Each neuron receives input, processes it using an activation function, and passes the output to the next layer.

• Neural networks learn by adjusting the weights of connections between neurons during training.

• They are used in various applications such as image and ...read more

Real world examples showcase practical applications of theoretical knowledge.

• Using algorithms to optimize delivery routes for a logistics company

• Implementing machine learning models to predict customer behavior for a retail company

• Developing a mobile app for tracking fitness goals and progress

Scrum is an agile framework used for project management, emphasizing teamwork, accountability, and iterative progress.

• Scrum involves breaking down projects into smaller tasks called sprints

• It emphasizes regular communication and collaboration within a cross-functional team

• Scrum ceremonies include daily stand-up meetings, sprint planning, sprint review, and sprint retrospective

• Roles in Scrum include Product Owner, Scrum Master, and Development Team

• Scrum artifacts include Produ...read more