PureSoftware Pega Developer Interview Questions and Answers

20 aptitude,20 comunication,4 program questions

General topics . topics about online class vs office line class

Q1. In this round also they mainly check communication.after that basic questions about the what you put on your resume
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Q1. General round. In this round they told about the company and bond
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Q1. What are the BluePrism best practices
Ans. 
BluePrism best practices include following naming conventions, modular design, exception handling, and version control.
• Follow consistent naming conventions for objects and processes

• Design processes in a modular way for reusability and maintainability

• Implement robust exception handling to manage errors effectively

• Use version control to track changes and collaborate with team members
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Q2. How to spy the elements in Surface Automation
Ans. 
To spy elements in Surface Automation, use the UI Explorer tool to identify and select the elements on the screen.
• Use UI Explorer tool to spy elements

• Identify and select elements on the screen

• Verify properties and attributes of elements
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Q1. Looker developer
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Q2. Sql server
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Q1. Looker developer
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Q2. Sql server
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Q1. Difference between ArrayList and LinkedList?
Ans. 
ArrayList is implemented as a resizable array, while LinkedList is implemented as a doubly linked list.
• ArrayList provides fast random access, LinkedList provides fast insertion and deletion.

• ArrayList uses more memory as it needs to allocate a fixed size array, LinkedList uses more memory for storing references to the next and previous elements.

• Example: ArrayList is better for scenarios where random access is required, ...read more
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Q2. Difference between HashMap and HashTable?
Ans. 
HashMap is non-synchronized and allows null values, while HashTable is synchronized and does not allow null values.
• HashMap is non-synchronized, meaning it is not thread-safe, while HashTable is synchronized and thread-safe.

• HashMap allows null values for both keys and values, while HashTable does not allow null keys or values.

• HashMap is faster than HashTable as it is non-synchronized, but HashTable is preferred in multi...read more
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Q1. Micro service disadvantage
Ans. 
Microservices can introduce complexity, communication overhead, and potential performance issues.
• Increased complexity due to managing multiple services

• Communication overhead between services

• Potential performance issues due to network latency

• Difficulty in maintaining consistency across services
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Q2. @functionalinterface can we extend or not, map & flatmap
Ans. 
No, @FunctionalInterface cannot be extended. Map and flatMap are default methods in the interface and cannot be overridden.
• No, @FunctionalInterface cannot be extended as it is a single abstract method interface.

• Map and flatMap are default methods in the interface and cannot be overridden.

• Example: public interface MyInterface { void myMethod(); default void myDefaultMethod() { // implementation } }
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Q1. Why functional interface when we have interface
Ans. 
Functional interfaces provide a single abstract method for functional programming in Java.
• Functional interfaces allow for lambda expressions and method references to be used as instances of the interface.

• Interfaces with multiple abstract methods cannot be used for lambda expressions.

• Example: java.util.function.Function is a functional interface with a single abstract method apply().
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Q2. Java 8 explain all features in short
Ans. 
Java 8 introduced new features like lambda expressions, streams, functional interfaces, and default methods.
• Lambda expressions: Allows writing concise code by enabling functional programming.

• Streams: Provides a way to work with sequences of elements efficiently.

• Functional interfaces: Interfaces with a single abstract method, used for lambda expressions.

• Default methods: Allows adding new methods to interfaces without br
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Q3. If one functional interface can extend another interface
Ans. 
Yes, one functional interface can extend another interface in Java.
• Functional interfaces can extend other functional interfaces in Java.

• The child interface can have only one abstract method, but can inherit default methods from the parent interface.

• Example: interface Parent { void method1(); } interface Child extends Parent { void method2(); }
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Was tough but can be cracked in one go

Easy to moderate need to study dsa

Q1. Self introduction
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Q2. Tell me about your projects
Ans. 
I have worked on various projects including a web application for a healthcare company and a mobile app for a retail business.
• Developed a web application for a healthcare company to manage patient records and appointments

• Created a mobile app for a retail business to enhance customer shopping experience

• Implemented features such as user authentication, data visualization, and real-time updates

• Utilized technologies like R
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Q1. Javascript basics, class and functional components, basic es6
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Q1. Promises, context api, redux and rest API
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