Difference between Method & Constructor

Difference between Method & Constructor

Salesforce Development (Visualforce & Apex)

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Visualforce

  • Why do we need Visualforce & Apex?6
  • Introduction to Visualforce Pages and Attributes
  • Apex Classes, Access Specifiers and Methods2
  • Data Types & Return Types
  • Setters & Getters 1
  • Difference between Method & Constructor
  • Instantiating an Apex Class and invoking a method
  • Accessing Apex methods using Static keyword5
  • Loops2
  • Standard Controllers4
  • Visualforce <apex:input___ /> tags
  • Visualforce <apex:pageblock___/> tags1
  • Visualforce <apex:data___/> tags
  • Advanced Visualforce tag <apex:actionFunction />
  • Advanced Visualforce tag <apex:actionSupport />2
  • Working with Custom Links, Buttons and List Buttons
  • Apex Extensions
  • List Controllers
  • Pagination using List Controllers

SOQL

  • Basics of SOQL9
  • Introduction to SOQL on Parent and Child objects
  • SOQL on Parent object, also, fetch related child records(Standard Objects)
  • SOQL on Parent object, also, fetch related child records(Custom Objects)
  • SOQL on Child objects and fetch the Parent(standard/custom objects)details too2
  • Dynamic Queries in SOQL
  • SOQL in Javascript in Visualforce
  • SOQL in Javascript in Visualforce [Contd..]

SOSL

  • Everything you need to know about SOSL

Data Manipulation Language [DML]

  • What's DML and inserting records using it
  • Update and Upsert records using DML
  • How to merge upto 3 records with DML
  • Delete and Undelete records

Collection Framework

  • List, Set & Map
  • Advanced collection types

Advanced Apex

  • Exposing Apex method as SOAP web services 1

Asynchronous Apex

  • What's Asynchronous Apex?
  • Purpose of Interfaces
  • How to create a batch apex class
  • Knowing more about the Batch class we created
  • Understanding stateful and allowscallouts interfaces in Batch Apex
  • Schedulable Apex
  • @future annotation2
  • How to handle mixed DML exceptions2
  • Queueable Apex3

Apex Test Framework

  • Apex Test Classes Introduction
  • Writing your first Apex Test Class
  • Factory Design Pattern in Apex Test Classes