AngelOfCA

public with sharing class Welcome {
    //Welcome!  I'm a comment and I'm here to tell you what this particular class file is for.  The developer who created this class added
    //me so that future developers, like yourself, would have a quick little introduction to what this class does.

    //The two little slashes tell the compiler* that everything following on this line is a note 
    //for humans and not code that needs to be executed
    // (* A compiler is the computer program that translates this code into executable computer instructions) 

    //But you know what?  This set of comments is already several lines long and getting longer.  I'm tired of typing two slashes every time

AngelOfCA

// Check you have peanut butter
// Check you have Jelly
// Check you have sandwich bread

Get a plate and 2 clean knives
Get two pieces of sandwich bread
Place both pieces of sandwich bread on the plate next to each other
Open Peanut Butter
Use 1 clean knife to take 3oz of peanut butter out of the jar
Spread the peanut butter on one side of one piece of bread

AngelOfCA

public with sharing class WeekTwoHomework {

    public static void introToPrimitives() {

        //Primitives are the simplest elements in a programming language

        /* A selection of primitives in Apex:
        Integer: A number that does not have a decimal point, like 1 or 789 or -34
        Decimal: A number that includes a decimal point like 1.34 or 456.78907654
        String: Any set of characters surrounded by single quotes, like 'Apple' or 'I Love Strings' or '2 Legit 2 Quit'

AngelOfCA

public with sharing class CommentingOnCodeExercise {

    /**
     * Your Assignment is to add comments describing what is being done in the methods below.
     * Call out the concepts you learned in your readings and in class.
     */

    //This class is used to calculate the Carts Value and ask if we are meeting the minimum requiered value. 
    public static void cartValues() {
        //Sets the minimum cart value to 50, this will be later used as a threshold to ensure we meet our task of filling the cart. We are using a variable and setting it to 50; later we will check to see if we are at or above 50

AngelOfCA

public with sharing class WeekFourHomework {

    //Let's practice calling different methods by writing our very own methods. You will write and save methods in the space below
    //that call the existing methods you see already written here.  Ready?  Let's Go!


    //Sample: Here is a public method that calls the getCitiesForExpansion below and prints the results to our debug log
   public static void printOutCitiesForExpansionDemo() {
        //The code on the left of the equals sign instantiates a list of Strings, the code on the right side calls our method and returns a list of cities
        //the equals sign assigns the returrned vaule, to the list we created

AngelOfCA

public with sharing class WeekFiveHomework {
    

    public static void setsReview(){

        //Your assignment: Play with Sets!

        // 1.  Create a set of Strings and add at least 5 entries
        Set<String> Colors = new Set<String>();
        Colors.add('Pink');

AngelOfCA

public with sharing class WeekSixHomework {

    public static void soqlPractice() {

        //1. Below is a SOQL query that should be returning the top 5 Accounts in our org based on Annual Revenue.
        //Something's not quite right, can you fix the query?
        List<Account> topFiveAccounts = [SELECT Id, Name, AnnualRevenue FROM Account 
                                         WHERE AnnualRevenue != 0  
                                         order By AnnualRevenue DESC 
                                         LIMIT 5];

AngelOfCA

public with sharing class AccountTriggerHandler {
    

    public static void handleBeforeInsert(List<Account> newAccounts){
        for (Account a : newAccounts) {
            if (a.Est_Annual_Sales__c >= 5000000) {
                a.Priority__c = 'Highest';
            } else if (a.Est_Annual_Sales__c >= 3000000) {
                a.Priority__c = 'High';
            } else if (a.Est_Annual_Sales__c >= 1000000) {

AngelOfCA

/**
 * A Utility class to process Stock Item records from the Stock Item Handler
 */
public with sharing class StockItemHandler {
    
    /**
     * Class constructor.
     */
    public StockItemHandler() {
        

AngelOfCA

trigger StockItemTrigger on Stock_Item__c (before insert, before delete) {

    //Instantiate StockItemHandler
    

    //Before Insert Handling
    if(Trigger.isInsert && Trigger.isBefore) {
        //call the class in your handler for before insert
        StockItemHandler.checkDuplicateName(Trigger.new);
    }