Gorilla Expense 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
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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.
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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
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Q2. CDC STAGE EXPALIN HOW TO DO IT
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Q1. CTCHOW MUCH YOU EXPECT??
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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'.
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Q2. Integration related questions
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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
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Q2. Pallindrome number
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What is sum of array.

Design rental sharing

Good Interview process. Django and DSA were asked.

Q1. Authentication and authorisation
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