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I applied via Company Website and was interviewed before Oct 2022. There was 1 interview round.
Collections offer more flexibility and functionality compared to arrays.
Collections like ArrayList in Java allow for dynamic resizing, easy insertion and deletion of elements.
Arrays have fixed size and cannot store different data types in the same array.
Collections provide additional methods for sorting, searching, and manipulating data efficiently.
Example: ArrayList
Objects in Java are instances of classes that encapsulate data and behavior.
Objects are created using the 'new' keyword followed by the class name.
Objects have attributes (fields) and methods (functions) that define their behavior.
Example: Car object with attributes like color and speed, and methods like accelerate() and brake().
Spring annotations are used to provide metadata to Spring framework classes and methods.
Annotations are used to configure Spring beans, dependency injection, AOP, etc.
Examples include @Component, @Autowired, @RequestMapping, @Transactional, etc.
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I applied via Company Website and was interviewed before Dec 2018. There were 2 interview rounds.
A project manager is responsible for planning, executing, and closing projects, while ensuring they meet the goals and objectives within the constraints of time, budget, and scope.
Developing project plans and schedules
Coordinating resources and team members
Monitoring progress and managing risks
Communicating with stakeholders
Ensuring project deliverables meet quality standards
I applied via Naukri.com and was interviewed before Jul 2019. There was 1 interview round.
Explaining something involves breaking down a concept or process into simpler terms for better understanding.
Start by providing an overview of the topic
Break down the key components or steps involved
Use examples or analogies to clarify complex ideas
Conclude by summarizing the main points
I applied via Naukri.com and was interviewed in Nov 2020. There were 2 interview rounds.
New and old are trigger context variables in Salesforce that store the new and old versions of a record being processed.
New stores the updated version of the record being processed in a trigger.
Old stores the previous version of the record being processed in a trigger.
New and old are used to compare changes made to a record in a trigger.
New and old are only available in before and after triggers, not in validation or w
No, using old methods for data update is not recommended.
Old methods may not be compatible with new systems
Old methods may not have the necessary security measures
Using old methods can lead to data corruption or loss
SOQL is used to query records from a single object, while SOSL is used to search for records across multiple objects.
SOQL is used to retrieve data from a single object based on conditions
SOSL is used to search for data across multiple objects based on search terms
SOQL supports aggregate functions, while SOSL does not
SOQL is case-sensitive, while SOSL is not
SOQL queries are limited to 100 records, while SOSL can return
Governor limits are limits enforced by Salesforce to ensure efficient use of shared resources.
Governor limits are enforced on Apex code, SOQL queries, DML statements, and other operations.
They prevent runaway code from monopolizing shared resources and causing performance issues.
Examples of governor limits include limits on CPU time, heap size, and database queries.
Developers must design their code to work within these...
To run an Apex class, we need to create an instance of the class and call its methods. Precautions include testing and avoiding governor limits.
Create an instance of the class using the 'new' keyword
Call the methods using dot notation
Test the class thoroughly before deploying to production
Avoid hitting governor limits by optimizing code and limiting queries
Lightning Data Service is a framework that allows developers to easily access and manipulate data in Salesforce.
It provides a standard interface for data manipulation
It automatically handles data caching and synchronization
It supports CRUD operations on records and fields
It can be used with Lightning Components and Apex controllers
posted on 19 Nov 2020
posted on 28 Jan 2020
I applied via Naukri.com and was interviewed in Jul 2019. There were 3 interview rounds.
Explanation of UART, SPI, CAN, I2C timing diagrams and frame formats.
UART: asynchronous serial communication, start and stop bits, baud rate
SPI: synchronous serial communication, master-slave architecture, clock polarity and phase
CAN: differential serial communication, arbitration, error detection and correction
I2C: synchronous serial communication, master-slave architecture, addressing, clock stretching
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