Softforce Consultants Private Senior PHP Developer Interview Questions and Answers

Basic DSA from the hacker rank website

Q1. Basic to medium questions on javascript, nodejs, MySQL joints, html5 tags
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Q1. Real life problems, Use cases
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Q1. What is JWT Authentication
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Q2. Design Patterns
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Q3. Different Types of Routing in MVC
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Technology advantage or not

All aptitude topics,logical reasoning

Q1. Oops,2 coding questions
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Q2. Palindrome,even number
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Q1. What do you know
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Q2. Do you have any questions
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Q1. What is Dependency Injection?
Ans. 
Dependency Injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Allows for easier testing by providing mock dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: Constructor injection, Setter injection, Interface injection
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Q2. How to handle exception in java
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In Java, exceptions can be handled using try-catch blocks to catch and handle specific exceptions.
• Use try-catch blocks to catch exceptions and handle them gracefully

• Use multiple catch blocks to handle different types of exceptions

• Use finally block to execute code regardless of whether an exception is thrown or not

• Throw custom exceptions using throw keyword
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Q1. In Java8, different between flatmap and map
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map transforms each element in a stream, while flatMap transforms each element into multiple elements
• map applies a function to each element in a stream and returns a new stream of the results

• flatMap applies a function that returns a stream for each element in the original stream, then flattens the streams into a single stream

• Example: map - stream.map(x -> x * x), flatMap - stream.flatMap(str -> Arrays.stream(str.split(
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Q2. How to handle the ConcureentModificationException
Ans. 
ConcurrentModificationException occurs when a collection is modified while iterating over it.
• Use Iterator to iterate over the collection instead of foreach loop.

• If modification is necessary, use Iterator's remove() method instead of collection's remove() method.

• Consider using synchronized collections or ConcurrentHashMap to avoid ConcurrentModificationException.
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Q1. Spring Security Implementation
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Q2. Api design Implementation
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API design implementation involves creating a well-structured and user-friendly interface for interacting with software applications.
• Understand the requirements and use cases for the API

• Design clear and consistent endpoints with proper documentation

• Implement secure authentication and authorization mechanisms

• Follow RESTful principles for creating APIs

• Consider scalability and performance optimizations
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Q3. Stream API coding question
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Q1. Basics of java like string ,string builder ,Buffer,scp
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Q2. Spring boot annotaions
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Q1. RPA lifecycle desciption
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Q1. DOM selectors in web automation
Ans. 
DOM selectors are used in web automation to locate and interact with elements on a webpage.
• DOM selectors are used to identify elements on a webpage using attributes like id, class, name, etc.

• Common DOM selectors include getElementById(), getElementsByClassName(), querySelector(), etc.

• Using the correct DOM selector is crucial for successful web automation.

• Example: document.getElementById('elementId') will select an elem
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Q1. What is sas, on Prem
Ans. 
SAS on Prem refers to SAS software installed and operated on-premises rather than in the cloud.
• SAS on Prem stands for SAS software that is deployed and managed on the organization's own servers.

• It allows organizations to have full control over their data and infrastructure.

• SAS on Prem is often preferred by organizations with strict data security and compliance requirements.

• Examples of SAS on Prem solutions include SAS
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Q2. API automation explain?
Ans. 
API automation involves using software tools to automatically test and interact with APIs.
• API automation involves using scripts or tools to send requests to an API and validate the responses.

• It helps in automating the testing of APIs to ensure they function correctly and meet requirements.

• API automation can be done using tools like Postman, SoapUI, or programming languages like Python with libraries like requests.
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Q3. Explain about iqbot
Ans. 
IQ Bot is an AI-powered cognitive automation solution that can learn from human behavior to handle unstructured data.
• IQ Bot uses cognitive technology to extract and process unstructured data like emails, PDFs, and images.

• It can learn from human corrections to improve accuracy over time.

• IQ Bot can be integrated with RPA platforms like UiPath to automate end-to-end processes.

• It is used in industries like finance, healthc...read more
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