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@SarahNicewander
Created September 22, 2020 17:42
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weekSixHomework - couldn't get the last one!
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 AnnualRevenue DESC
LIMIT 5];
//still getting errors at line 11 & 12
System.debug('This should be 5: ' + topFiveAccounts.size());
//2. Here is a query that is missing something. It compiles, but if you try and run this method in Anonymous
//you'll get an error when the method tries to use the query results. Fix it! :)
List<Contact> contacts = List<Contact> contacts =
[SELECT FirstName, LastName, MailingState
FROM Contact
LIMIT 10];
for (Contact c : contacts) {
String name = c.FirstName + ' ' + c.LastName;
}
//3. Can you write a SOQL query from scratch that will return the top 10 Accounts in the org, ordered by annual
//revenue in decending order? Print your results in the debug log.
List<Account> accounts =
[SELECT Name, AnnualRevenue
FROM ACCOUNT
ORDER BY AnnualRevenue DESC
LIMIT 10];
system.debug(accounts);
//4. Can you write a SOQL query that will return all opportunities for all accounts in the topFiveAccounts list that we used
//in Number 1? (topFiveAccounts) Hint: If you're stuck, look back a the code in WeekSixClassExercises, getOpenOppsForHotAccounts method
// Print your results in the debug log.
List<Account> topFive =
[Select Id, Name, AnnualRevenue
FROM Account
ORDER BY AnnualRevenue DESC
Limit 5];
//this part queries the opptys from those accounts
List<Opportunity> topOpptys =
[Select Id, Name, Account.Name
FROM Opportunity
WHERE Account.Id in:topFive];
system.debug(topOpptys);
}
public static void forTheLoveOfForLoops() {
//1. Take a look at the list and loop below. It's commented out since it can't run as is.
// Can you replace the ?? with the number that makes sense based on the comments?
// Remove the slashes and compile.
// Can you add an extra counter variable so that you can print out how many times the loop ran in total?
//This loop should run 5 times
integer counter = 0;
for (Integer i=0; i<5; i++) {
System.debug('i is now: '+i);
}
//2. Below is a loop that iterates through a list. Can you change it to use the new For Loop syntax? It should print out
//each account name in the debug log when you're done.
//Use the list size to tell you how many loops, and use indexing to fetch values. If you need help, check the
//loopingThroughLists method in WeekThree for hints
List<Account> accountList =
[SELECT Id, Name
FROM Account
LIMIT accountListSize];
for (Account a : accountList) {
System.debug('Account Name: ' + a.name);
}
}
}
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