Paytm Payments Bank Associate Interview Questions and Answers

Java programs output can be determined by running the code and observing the console or log files.

• Compile the Java code using a compiler like javac

• Run the compiled code using the Java Virtual Machine (JVM)

• Observe the output in the console or log files

• Output can be text, numbers, or other data types

Java 8 introduced several new features including lambda expressions, streams, and functional interfaces.

• Lambda expressions allow for functional programming and simplify code

• Streams provide a way to process collections of data in a functional way

• Functional interfaces allow for the use of lambda expressions

• Default methods allow for adding methods to interfaces without breaking existing implementations

• Date and time API im

Streams are a sequence of data elements that can be processed in parallel or sequentially. They are used in various applications.

• Streams are used for data processing, such as filtering, mapping, and reducing.

• They are also used for I/O operations, such as reading and writing files or network sockets.

• Streams can be parallelized to improve performance on multi-core systems.

• Examples of stream-based APIs include Java 8 Stre

Using stream, find the second largest number.

• Sort the stream in descending order and return the second element.

• Use the reduce() method to compare and find the second largest number.

• Create a priority queue and add elements to it. Pop the second largest element from the queue.

Spring Boot is a framework for building standalone, production-grade Spring-based applications.

• Provides a simplified way to create Spring applications with minimal configuration

• Includes an embedded Tomcat, Jetty or Undertow server for easy deployment

• Supports auto-configuration, which automatically configures Spring based on dependencies

• Offers a wide range of starter dependencies for common use cases

• Enables easy integra...read more

I have extensive experience with Power BI.

• Created and maintained multiple dashboards for various departments

• Used DAX formulas to create complex calculations

• Integrated Power BI with other Microsoft tools like Excel and SharePoint

• Trained colleagues on how to use Power BI effectively

Reassuring the interviewer about the reliability of the results

• Highlight the thoroughness of the process followed to obtain the results

• Mention any quality control measures implemented to ensure accuracy

• Provide examples of successful outcomes or positive feedback received

• Discuss any certifications or accreditations that validate the results

Final assurance of achieving target is through continuous monitoring, adjusting strategies, and team collaboration.

• Regularly track progress towards the target

• Analyze data to identify areas of improvement

• Adjust strategies based on feedback and results

• Collaborate with team members to ensure everyone is aligned and working towards the same goal

Selenium is an open-source automation testing tool used for web application testing.

• Selenium supports multiple programming languages like Java, Python, C#, etc.

• It can automate web browsers like Chrome, Firefox, Safari, etc.

• Selenium can perform various testing types like functional, regression, and load testing.

• It can also interact with web elements like buttons, text fields, etc.

• Selenium can be integrated with other to...read more

UAT testing is the process of testing a software application by the end-users to ensure its usability, functionality, and compatibility.

• UAT stands for User Acceptance Testing

• It is the final phase of testing before the software is released to the market

• It is performed by the end-users to ensure that the software meets their requirements

• It focuses on the usability, functionality, and compatibility of the software

• It helps...read more