gitmatheus

  // First, let's declare a list of Strings, 
  // using the previous String variables:
  String[] stringsToConcat = 
    new String[]{singleSpaceString, nullString, notEmptyString};
  
  // Now we can use a join method to concatenate the variables:
  String joinedText = String.join(stringsToConcat, '');

  // This is the result:
  |DEBUG|concatenated joinedText:  Samwise Gamgee is the real hero

gitmatheus

   /********************************* 
    Imagine three strings: 
        - one with a single space 
        - one null
        - one not empty and not null
    *********************************/     

   String singleSpaceString = ' ';
   String nullString = null;
   String notEmptyString = 'Samwise Gamgee is the real hero'; 

gitmatheus

SObject[] sObjectCustomObject = new SObject[]{ new Custom_Object__c(Name = 'Custom Object Name') };

processCustomObject(sObjectCustomObject);

private void processCustomObject(SObject[] customObjects) {
	for (Custom_Object__c obj : customObjects) System.debug(obj.Name);
}

gitmatheus

SObject[] sObjectAccounts = new SObject[]{ new Account(Name = 'Account Name') };

processAccounts(sObjectAccounts);

private void processAccounts(SObject[] accounts) {
	for (Account acct : accounts) System.debug(acct.Name);
}

gitmatheus

SObject[] sObjectAccounts = new SObject[]{ new Account(Name = 'Account Name') };
    
processCustomObject(sObjectAccounts); 
// Using a list of sObject Accounts as a parameter (that expects a list of Custom Objects).

private void processCustomObject(Custom_Object__c[] customObjects) {
    //for (Custom_Object__c customObj : customObjects) System.debug(customObj.Name);
}

gitmatheus

public class ParentComponentController {
    
  public String controllerValue;
    
  public void setControllerValue (String s) {
    controllerValue = s.toUpperCase();
  }
    
  public String getControllerValue() {
    return controllerValue;

gitmatheus

<apex:component controller="ParentComponentController">
  <apex:attribute name="componentValue" description="Attribute on the component."
                  type="String" required="required" assignTo="{!controllerValue}"/>
    <apex:pageBlock title="My Parent Custom Component">
      <p>
        <code>componentValue</code> is "{!componentValue}"
        <br/>
        <code>controllerValue</code> is "{!controllerValue}"
      </p>
    </apex:pageBlock>

gitmatheus

public class ChildComponentController {
    
  public String controllerValue;
    
  public void setControllerValue (String s) {
    controllerValue = s.toLowerCase();
  }
    
  public String getControllerValue() {
    return controllerValue;

gitmatheus

<apex:component controller="ChildComponentController">
  <apex:attribute name="componentValue" description="Attribute on the component."
                  type="String" required="required" assignTo="{!controllerValue}"/>
    <apex:pageBlock title="My Child Custom Component">
      <p>
        <code>componentValue</code> is "{!componentValue}"
        <br/>
        <code>controllerValue</code> is "{!controllerValue}"
      </p>
    </apex:pageBlock>

gitmatheus

@isTest
private class MaintenanceRequestHelperTest {
		
	//Leverage a @testSetup method to reduce execution time and increase maintainability
	@testSetup
	static void allTheDataForThisTestClass() {

		// Principle #1: Create records from scratch!
		// Remember that Records created in a test setup method are rolled back at the end of test class execution.