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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

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public with sharing class WeekOneHomework {
    
    
	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

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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. 
	
	public static void cartValues () {
// a variable called minimumCartValue has been declared and assigned a value of 50.
		integer minimumCartValue = 50;
        
//declaring variables itemA, itemB and itemC and assigning values respectively.

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public with sharing class WeekTwoHomework {
	

	public static void homeworkAssignmentMethod () {
		//Read through the set-up below and then complete the code following the prompts.  When you're done, make sure to compile (save) your work
		//Open Execute Anonymous in the Developer Console and execute your code by typing in: WeekTwoHomework.homeworkAssignmentMethod();
		//Read through the debug statements to make sure you're done your work correctly.
		
		//************************************************************************************************************

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public with sharing class WeekThreeHomework {

	//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 getfavoriteColorsMethod below and prints the results to our debug log
	public static void printOutFavoriteColorsDemo () {
		List < String > favoriteColors = getFavoriteColors();
		system.debug('Here are the favorite colors: '+ favoriteColors);

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public class StringArrayTest {
//The Apex class must be called 'StringArrayTest' and be in the public scope. (done)
//The Apex class must have a public static method called 'generateStringArray'. (done)
//The 'generateStringArray' method must return an array (or list) of strings. (done)
    public static list <string> generateStringArray (integer n){
        list<string> thislist = new list<string>();
        for (integer i=0 ; i<10;i++) {
            thislist.add('Test ' + i);
        system.debug(thislist[i]);
        }

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public with sharing class WeekFourHomework {
	

	public static void setsReview(){

		//Your assignment: Play with Sets!

		// 1.  Create a set of Strings and add at least 5 entries
		Set <string> SetofAccounts  = new set <string> ();
        SetofAccounts.add ('Canon');

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//The first line of our trigger gives the Trigger's name (AccountTrigger), names the object (Account) and lists the trigger_events that will cause the code below to execute
//For example, "before insert" indicates that before an account record (or records) is inserted,  the trigger will be called.
//For more information on trigger syntax: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_triggers_syntax.htm

trigger AccountTrigger on Account (before insert, before update, before delete, after insert, after update, after delete, after undelete) {
	
	//Each section of code below handles a different event & timing combination.  For now, we are demonstrating a trigger that has all of the logic right here.
	//Later on we'll be looking at other ways of handling Trigger events using handler classes, but for now, we want to keep all the logic in once place as 
	//we're learning.

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//*REQUIREMENT 1* Before a Stock Item can be created, check that there is not already
    // a stock item record with a matching name.
    
    //the below creates the new stockitems in a set that 
    //doesn't allow for duplicates. Trigger.new to ensure all new records created
    //for this object get added to this Set
    
    set <string> stockitems = new set <string> ();
    for (stock_item__c stock : trigger.new) {
        stockitems.add(stock.Item_Name__c);      

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//*DATA SET UP*created sample records using DML via the execute annonymous window
	//stock_item__c stock = new stock_item__c (); 
    //stock.Item_Name__c = 'chocolate';
	//stock.description__c = 'i love chocolate';
    //stock.minimum_stock_level__c = 10;
	//stock.stock_on_hand__c = 10;
	//stock.list_price__c = 50;
    //insert stock;