Pravdakshaya Technologies Developer Interview Questions and Answers

Q1. What is oops concept
Ans. 
Object-oriented programming paradigm focusing on objects and classes for code organization and reusability.
• Encapsulation: bundling data and methods that operate on the data into a single unit (class)

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types

• Abstraction: hiding the complex implementation details and sho
Answered by AI
Add your answer
Q2. What is exceptional handling
Ans. 
Exception handling is the process of responding to unexpected events or errors in a program.
• Exception handling allows developers to gracefully handle errors and prevent crashes in a program.

• It involves using try, catch, and finally blocks to handle exceptions.

• Examples include catching a divide by zero error or a file not found exception.
Answered by AI
Add your answer

Q1. EXPLAINTRANSFORMER STAGE
Ans. 
Transformer stage is a processing stage in IBM InfoSphere DataStage used for data transformation.
• Used for transforming data from source to target in DataStage

• Can perform various operations like filtering, aggregating, joining, etc.

• Supports parallel processing for efficient data transformation
Answered by AI
Add your answer
Q2. CDC STAGE EXPALIN HOW TO DO IT
Add your answer

Q1. CTCHOW MUCH YOU EXPECT??
Add your answer

Coding test followed by technical discussion

Q1. Governer limits and usage
Ans. 
Governer limits are restrictions set by Salesforce to prevent code from consuming too much resources.
• Governer limits are restrictions set by Salesforce to ensure efficient use of resources.

• They include limits on CPU time, heap size, SOQL queries, DML statements, etc.

• Exceeding these limits can result in exceptions like 'Apex CPU time limit exceeded'.
Answered by AI
Add your answer
Q2. Integration related questions
Add your answer

Q1. Reverse a string
Ans. 
Reverse a given string by iterating through it backwards and appending each character to a new string.
• Create a new empty string to store the reversed string

• Iterate through the original string from the last character to the first character

• Append each character to the new string

• Return the new string as the reversed string
Answered by AI
Add your answer
Q2. Pallindrome number
Add your answer

Design rental sharing

Q1. What is Azure Databricks
Ans. 
Azure Databricks is a unified analytics platform that combines big data processing and machine learning.
• Collaborative environment for data scientists, data engineers, and business analysts

• Integrated with Azure services for data storage, processing, and analytics

• Supports popular programming languages like Python, Scala, and SQL

• Provides tools for data visualization and machine learning model development
Answered by AI
Add your answer
Q2. What is cache in Databricks
Ans. 
Cache in Databricks is a mechanism to store intermediate results of computations for faster access.
• Cache in Databricks is used to store intermediate results of computations in memory for faster access.

• It helps in reducing the time taken to recompute the same data by storing it in memory.

• Data can be cached at different levels such as DataFrame, RDD, or table.

• Example: df.cache() will cache the DataFrame 'df' in memory fo
Answered by AI
Add your answer

Good Interview process. Django and DSA were asked.

Q1. Authentication and authorisation
Add your answer