INDI IT SOLUTIONS Software Developer Interview Questions and Answers

PEN PAPER round consisting of three coding and c/c++ output based questions.

Q1. OOPS concepts , javascript
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Q2. Projects related questions
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Q1. Behavioural questions
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Q2. Resume , internship related questions
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Q1. Describe oops concept.
Ans. 
OOPs concept stands for Object-Oriented Programming, which is a programming paradigm based on the concept of objects.
• OOPs focuses on creating objects that contain both data and methods to manipulate that data.

• It emphasizes concepts like inheritance, encapsulation, polymorphism, and abstraction.

• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain comp...read more
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Reasoning type ,numerical ,paragraph,quntitative apptitude

Q1. Java oops sql questions
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Q1. What is with sharing and without sharing
Ans. 
With sharing and without sharing are keywords in Salesforce that control the access level of records in Apex classes.
• With sharing enforces sharing rules and record-level access

• Without sharing ignores sharing rules and record-level access

• Use with sharing for classes that should respect sharing rules, like controllers for visualforce pages

• Use without sharing for classes that should have unrestricted access to records, li
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Q2. Can we call batch class from queueable?
Ans. 
Yes, we can call a batch class from a queueable class in Salesforce.
• Batch class can be called from a queueable class by implementing Database.executeBatch method.

• Queueable class can be used to chain batch jobs or execute them asynchronously.

• Example: Queueable class can be used to schedule a batch job to run at a later time.
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Q1. How to find unique elements in an array using Java?
Ans. 
Use a Set to store unique elements from the array.
• Create a Set to store unique elements.

• Iterate through the array and add each element to the Set.

• The Set will automatically remove duplicates, leaving only unique elements.
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Q1. How to configure multiple database in spring boot?
Ans. 
To configure multiple databases in Spring Boot, you can use Spring Data JPA with multiple data sources.
• Define multiple DataSource beans in your configuration class.

• Configure each DataSource bean with its own properties like URL, username, password, etc.

• Use @Primary annotation to specify the primary DataSource bean.

• Use @Qualifier annotation to specify which DataSource bean to use in your repositories or services.

• Configu...read more
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