Isys Technologies Developer Interview Questions and Answers

Future methods are asynchronous and execute in a separate thread, while Queueable allows chaining of jobs and can handle larger data volumes.

• Future methods are limited to 50 per transaction and cannot be chained

• Queueable can be chained and can handle up to 50 jobs in a single transaction

• Future methods are executed in a separate thread and are useful for long-running operations

• Queueable jobs can be scheduled to run at a...read more

Yes, we can call a future method from another future method.

• A future method can call another future method using the @future annotation.

• The second future method will be queued and executed after the first future method completes.

• It is important to note that there is a limit of 50 future method calls per Apex invocation.

Yes

• A future method can be called from a batch class

• Future methods are used to perform long-running operations asynchronously

• Batch classes are used to process large data sets in smaller chunks

• Calling a future method from a batch class allows for parallel processing

Props and cons are not specific terms in JavaScript. Did you mean pros and cons?

• Pros: flexibility, easy to learn, wide range of applications

• Cons: can be slow, can be difficult to debug, can have security vulnerabilities

Nodejs is a runtime environment for executing JavaScript code outside of a web browser.

• Nodejs is built on top of the V8 JavaScript engine

• JavaScript is a programming language used for both front-end and back-end development

• Nodejs allows for server-side scripting and can be used to build scalable network applications

• JavaScript is primarily used for client-side scripting in web browsers