I have recently taken few interviews for Google and I realized few things, as follows: Demand is Less and Supply is more. Since there are so many opportunities in IT sector right now(2022), almost everyone is preparing for big Tech giants. Those days were gone, when we used to compete with people with same education background/Degree. Now…

Interviewer: What types of collections, does Apex support? Interviewee: : 3 types of collections as of now, apex supports. maps : <key, value> pair sets : unique and unordered collection lists : ordered collection Interviewer: What are some common use cases of list, set and map? Interviewee: Common uses case…

Imagine, you go to the bank to deposit some money. The bank is having a lot of rush and due to which, you need to stand in a line, and wait till your chance comes. Time passed and you are about to get the counter. Suddenly your mobile rings. …

A Real-World use case. — Imagine, you went to a pizza shop to eat a pizza. Now, you ordered it and waiting for the pizza to come. The shopkeeper came with the pizza, gave you some ketchup sachet, oregano, etc and you started eating it because you are very hungry.

One Trigger, many logics. — Let’s understand the problem first. As we know, We can write multiple triggers on an object in salesforce. But it is not recommended by salesforce to have more than 1 trigger on an object. The reason is, you can’t fix the order of execution of these triggers. …

Imagine, you are a developer of an FPS video game team who is developing this game for Play station 5. The game consists of battles with online enemies using different types of guns and weapons. Use case you have been assigned a task to design controls. So, before starting the design, let’s…

Consider the below schema, here are 2 programs right now, Covid Vaccine details: which saves data of vaccines availability NewsLetter: for General news. and you can subscribe to either one or both, depending on your choice through Subscribe Program.

It seems to be a boring idea to create something which is already present and doing its job exceptionally well. The query Editor of the Salesforce Developer console is already cool. Also, a lot of browser extensions are available which do the same thing. …

Interviewer: What is an Apex Scheduler? Interviewee: Apex Scheduler is an ability to invoke an Apex class to run at specific times. Interviewer: What could be the use cases for this? Interviewee: There could be many use cases For example: Sending Periodic notifications to users. NewsLetters on the 15th of…