rahulmalhotra

clear():
----------

Set<Integer> numbers = new Set<Integer>{30,30,30,20,20,10,40,40};
System.debug(numbers);
numbers.clear();
System.debug(numbers);

isEmpty():
-----------

rahulmalhotra

Set Data Structure in Apex
-------------------------------

Def: A set is an unordered collection of elements that do not contain any duplicates.

1. Creating a set of Integers

Set<Integer> numbers = new Set<Integer>();
System.debug(numbers);

rahulmalhotra

List<SObject> records = new List<SObject>();
records.add(new Account(Name='Test Account', Reference_ID__c = 234));
records.add(new Contact(LastName='Test Contact', AccountId = null, Account = new Account(Reference_ID__c = 234)));
Database.upsert(records);

rahulmalhotra

List<SObject> records = new List<SObject>();
records.add(new Account(Name='Test Account', Reference_ID__c = 123));
records.add(new Contact(LastName='Test Contact', Account = new Account(Reference_ID__c = 123)));
Database.upsert(records);

rahulmalhotra

List<Account> accounts = new List<Account>();
for(Integer i=1; i<=10000; i++) {
    accounts.add(new Account(Name = 'Account ' + i));
}
insert accounts;

List<Account> accounts = [SELECT Id FROM Account];
System.debug('Heap size when queried list of accounts = ' + Limits.getHeapSize());

rahulmalhotra

List Data Structure in Apex
-------------------------------

1. Creating a list of Integers

List<Integer> numbers = new List<Integer>();
System.debug(numbers);

List<Integer> numbers = new List<Integer>{10,20,30,40,50,60,70};

rahulmalhotra

/*
*	  Author:- Rahul Malhotra
*	  Description:- Utility class consisting of some common methods
* 	Created Date:- 08-08-2021
* 	Last Modified:- 08-08-2021
*   Code Origin:- SFDC Stop (https://www.sfdcstop.com)
*/
public with sharing class ApexUtil {

    /*

rahulmalhotra

SELECT
	ApexClassId,
	ApexClass.name,
	Id,
	JobItemsProcessed,
	JobType,
	Status,
	NumberOfErrors,
	MethodName
FROM AsyncApexJob

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SELECT 
	ID, 
	CronExpression, 
	CronJobDetail.Name, 
	CronJobDetailId, 
	EndTime, 
	NextFireTime, 
	PreviousFireTime,  
	StartTime, 
	State, 

rahulmalhotra

npm install -g node-gyp