10+ Interview Questions and Answers

OOPs in Java refers to Object-Oriented Programming concepts, fibo likely refers to Fibonacci sequence, and sorting refers to arranging elements in a specific order.

• OOPs in Java includes concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• Fibo likely refers to the Fibonacci sequence, where each number is the sum of the two preceding ones (e.g. 0, 1, 1, 2, 3, 5, ...).

• Sorting involves arranging elements in a specific order, such as ascending or descendin...read more

Yes, main can be overloaded but not overridden in C++.

• Main can be overloaded by defining multiple functions with different parameters.

• Example: int main() and int main(int argc, char* argv[])

• Main cannot be overridden as it is a static function of the program.

Iterate through the numbers and keep track of the largest and second largest numbers.

• Iterate through the numbers and compare each number with the current largest and second largest numbers.

• Update the second largest number if a new number is found that is greater than the current second largest number.

• Return the second largest number at the end of the iteration.

Connection pool properties refer to the settings that control the behavior of a connection pool.

• Connection pool properties include settings such as maximum connections, minimum connections, and connection timeout.

• These properties can be configured in the application server or in the database driver.

• The purpose of connection pool properties is to optimize the use of database connections and improve application performance.

• Examples of connection pool properties include maxActiv...read more

WebSphere installation methods include GUI, silent, and response file installations.

• WebSphere can be installed using a graphical user interface (GUI).

• Silent installation allows for installation without user interaction.

• Response file installation uses a pre-recorded response file to automate the installation process.

Yes, I have experience in both devops and cloud technologies.

• I have worked with AWS, Azure, and Google Cloud Platform.

• I have experience with containerization using Docker and Kubernetes.

• I have worked with CI/CD pipelines using tools like Jenkins and GitLab.

• I have experience with infrastructure as code using tools like Terraform and CloudFormation.

Yes, I have experience in working with Apache Kafka and RabbitMQ.

• Worked on developing microservices using Apache Kafka as a messaging platform

• Implemented RabbitMQ for message queuing in a project

• Experience in configuring and managing both platforms

Security in WebSphere is configured through various mechanisms such as SSL, authentication, authorization, and encryption.

• SSL can be configured to secure communication between clients and servers

• Authentication can be configured using various methods such as LDAP, database, or custom authentication

• Authorization can be configured using role-based access control or custom authorization

• Encryption can be configured to secure data at rest and in transit

The expected CTC depends on the company's budget and the candidate's experience and skills.

• The CTC can vary based on the company's location and industry.

• The candidate's negotiation skills can also impact the final CTC.

• The CTC can be influenced by the candidate's education, certifications, and previous work experience.

• The CTC can range from 8-10 lakhs per annum for a Senior Software Engineer role in India.

• Some companies may offer additional benefits like health insurance, stoc...read more

SSL in WebSphere is achieved through configuration of SSL certificates and enabling SSL protocols.

• SSL configuration involves generating and importing SSL certificates

• SSL protocols such as TLS can be enabled through server.xml configuration

• WebSphere also supports SSL offloading through plug-in configuration

• SSL can be enforced for specific applications or URLs through web.xml configuration

My current CTC is confidential.

• I prefer not to disclose my current CTC as it may affect negotiations.

• I am open to discussing my salary expectations for this role.

• My previous salary was in line with industry standards for my experience level.

Garbage collection is an automatic memory management process that frees up memory occupied by objects that are no longer in use.

• Garbage collection is performed by the JVM in Java and CLR in .NET languages.

• It helps prevent memory leaks and null pointer exceptions.

• Garbage collection can be triggered manually or automatically.

• Examples of garbage collection algorithms include mark-and-sweep, reference counting, and copying.

I am very comfortable with technology and can explain how a mobile application works.

• A mobile application is a software program designed to run on mobile devices such as smartphones and tablets.

• It is typically downloaded from an app store and installed on the device.

• The app may require access to certain device features such as the camera or GPS.

• Users interact with the app through a graphical user interface (GUI) which may include buttons, menus, and other controls.

• The app may...read more

OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction. Microservices are small, independent services that communicate with each other.

• OOPs concepts help in creating modular and reusable code.

• Encapsulation ensures that data is hidden and can only be accessed through defined methods.

• Inheritance allows a class to inherit properties and methods from a parent class.

• Polymorphism allows objects to take on multiple forms and behave differently based on the c...read more

My academic performance is not relevant to my ability to perform as a Product Manager.

• Academic performance does not necessarily reflect job performance

• Product management requires a diverse skill set beyond academic achievements

• Focus on relevant experience and skills rather than grades

Yes, I have knowledge of Core Java.

• I have a strong understanding of object-oriented programming concepts in Java.

• I am familiar with the Java syntax and can write and debug Java code.

• I have experience in using Java libraries and frameworks for test automation.

• I can create and execute test cases using Java-based testing tools like JUnit or TestNG.

• I am proficient in handling exceptions, file I/O, and multithreading in Java.

Session in Java is a way to maintain state between client and server over multiple requests.

• Session is a server-side storage of information related to a specific user.

• It allows data to be persisted across multiple requests from the same client.

• Sessions are typically managed using cookies or URL rewriting.

• Example: Storing user login information in a session to keep the user authenticated across multiple pages.

Agile process is a software development methodology that emphasizes flexibility, collaboration, and iterative development.

• Iterative development with short cycles called sprints

• Frequent collaboration between cross-functional teams

• Continuous feedback and adaptation

• Prioritization of customer satisfaction and delivering working software

• Use of tools like Scrum, Kanban, or XP