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Tata Communications
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I applied via Walk-in and was interviewed in Feb 2024. There were 2 interview rounds.
I have Intrested on this roll
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I applied via Company Website and was interviewed before May 2023. There were 3 interview rounds.
Best practices for Apex triggers include bulkifying code, using helper classes, and limiting logic to one trigger per object.
Bulkify your code to handle multiple records at once
Use helper classes to keep trigger logic organized
Limit logic to one trigger per object to avoid confusion and maintainability
A batch Apex skeleton is a class that processes records in batches to avoid hitting governor limits.
Create a class that implements the Database.Batchable interface
Implement the start, execute, and finish methods
Use Database.executeBatch to execute the batch job
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
2 programmings on problem solving+ some mcqs on Java + spring boot+ mysql
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
1st round some apt qns,some prgramming qns are they asked
Use pagination, indexing, caching, and query optimization to fetch 1 lakh entries efficiently from the database.
Implement pagination to fetch data in smaller chunks
Create indexes on columns frequently used in queries
Use caching to store frequently accessed data
Optimize queries by avoiding unnecessary joins and using appropriate indexes
Consider using database-specific optimizations like query hints or stored procedures
Handle exceptions by using try-catch blocks to gracefully manage errors in code execution.
Use try-catch blocks to catch exceptions and handle them appropriately.
Throw custom exceptions when necessary to provide more specific error information.
Use finally block to execute code that should always run, regardless of whether an exception is thrown.
Avoid catching generic exceptions like Exception class, instead catch specif...
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
Allows for code reusability by creating a new class based on an existing class
Derived class inherits properties and behaviors of the base class
Supports the 'is-a' relationship, where a derived class is a specialized version of the base class
I would check for internet connection, restart the app, clear cache, and update the app.
Check internet connection
Restart the app
Clear cache
Update the app
I applied via campus placement at Madras Christian College, Chennai and was interviewed in Oct 2023. There were 4 interview rounds.
Test had 2 sections..first section had 3 subsections with quants,verbal and logicals.2nd section is an English writing skill round where they give u a topic and u have to write ur views on it more than 200 words
Gd has the basic rules..they give a topic and u have to discuss on that
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