RPATech RPA Consultant Interview Questions, Process, and Tips

Java 8 introduced lambda expressions, Java 11 added local-variable syntax for lambda parameters, and Java 17 included sealed classes and pattern matching.

• Java 8 introduced lambda expressions for functional programming.

• Java 11 added local-variable syntax for lambda parameters to simplify code.

• Java 17 included sealed classes to restrict inheritance and pattern matching for instanceof checks and type casts.

Count the number of words in a given string.

• Split the string by spaces and count the number of resulting elements.

• Handle edge cases like multiple spaces or empty strings.

• Consider punctuation marks as part of words unless specified otherwise.

I am a Senior Software Developer with 8 years of experience in full-stack development, specializing in Java and Angular.

• 8 years of experience in full-stack development

• Specialize in Java and Angular

• Strong problem-solving skills

• Experience with Agile methodologies

• Excellent communication and teamwork abilities

The yield() method in threading is used to give up the CPU and allow other threads to run.

• Allows other threads to run by giving up the CPU temporarily

• Useful for preventing one thread from dominating the CPU

• Can be used to implement cooperative multitasking

Hash collision occurs when two different inputs produce the same hash value. It can be handled by using techniques like chaining or open addressing.

• Hash collision is a common issue in hash tables where different keys produce the same hash value.

• One way to handle hash collisions is by using chaining, where each bucket in the hash table stores a linked list of key-value pairs with the same hash value.

• Another way to handl...read more

Method references provide a more concise way to refer to methods by name instead of using lambda expressions.

• Method references can make code more readable and maintainable by reducing boilerplate code.

• They can be used to refer to static methods, instance methods, and constructors.

• Example: list.forEach(System.out::println) is equivalent to list.forEach(item -> System.out.println(item)).

Vertical scaling increases the capacity of a single server, while horizontal scaling adds more servers to distribute the load.

• Vertical scaling involves increasing the resources of a single server, such as CPU, RAM, or storage.

• Horizontal scaling involves adding more servers to distribute the load, often done through containerization or virtualization.

• Vertical scaling is limited by the capacity of a single server, while ...read more

Java program to capitalize first letter of each word in a given string

• Split the input string by space to get individual words

• Iterate through each word and capitalize the first letter

• Join the words back together to form the final capitalized string

Escalation matrix defines the process for escalating production defects based on severity and impact.

• Escalation matrix typically includes levels of escalation, responsible parties at each level, and criteria for escalating defects.

• For example, a Level 1 escalation may involve the development team, while a Level 2 escalation may involve senior management.

• Criteria for escalation may include severity of the defect, impact...read more

Implemented a real-time data synchronization feature between multiple servers.

• Designed a custom protocol for efficient data transfer

• Implemented server-side logic to handle data conflicts

• Utilized websockets for real-time communication

Yes, I have the ability to handle tasks individually.

• I have a proven track record of successfully completing projects on my own.

• I am self-motivated and can prioritize tasks effectively.

• I have strong problem-solving skills which allow me to tackle challenges independently.

Yes, it is okay to give deliverables under pressure as long as quality is not compromised.

• Meeting deadlines is important in software development.

• Pressure can sometimes lead to increased focus and productivity.

• Communication with stakeholders about realistic timelines is key.

• Prioritizing tasks and managing time effectively can help in delivering under pressure.

I am a Senior Software Developer with 8 years of experience in developing web applications using various technologies.

• Experienced in full stack development

• Proficient in languages like Java, JavaScript, and Python

• Skilled in using frameworks like Spring, React, and Django

• Strong understanding of database management systems

• Familiar with Agile development methodologies

Seeking new challenges and growth opportunities.

• Desire for career advancement

• Looking for new challenges

• Seeking better work-life balance

• Company restructuring or changes in management

My current CTC is $100,000 and my expected CTC is $120,000.

• Current CTC: $100,000

• Expected CTC: $120,000

Yes, I have all relevant documents from previous companies.

• I have copies of offer letters, employment contracts, and performance reviews.

• I also have any relevant certifications or training records.

• I can provide references from previous employers if needed.