adtennant

public class CounterComponentController {
    public CounterComponentListener listener { get; set; }

    private Integer count;

    public CounterComponentController() {
        count = 0;
    }

    public Integer getCount() {

adtennant

public class AComponentController {
    public class AClass {
    }

    public String aString { get; set; }
    public Integer anInteger { get; set; }
    public Boolean aBoolean { get; set; }
    public sObject anObject { get; set; }
    public Object[] anArray { get; set; }
    public Map<Object, Object> aMap { get; set; }

adtennant

<input id="file-input" type="file" />
<input id="upload-button" type="button" value="Upload" onclick="uploadFile();"/>

adtennant

public class InnerClassCounterPageController {
    private Boolean showAlert;
    
    public InnerClassCounterPageController() {
        showAlert = false;
    }
    
    public Boolean getShowAlert() {
        return showAlert;
    }

adtennant

@isTest
private class OpportunityTriggerTests {
    private static void createOpportunities(...) {
        // ...
    }

    private static void createProducts(...) {
        // ...
    }

adtennant

HttpRequest req = new HttpRequest();
req.setEndpoint('https://api.example.com/path');
req.setMethod('GET');

String username = 'username';
String password = 'password';

Blob headerValue = Blob.valueOf(username + ':' + password);
String authorizationHeader = 'BASIC ' + EncodingUtil.base64Encode(headerValue);
req.setHeader('Authorization', authorizationHeader);

adtennant

public class Account {
}

adtennant

public class ShadowingExample {
    private Integer shadow;
    
    public ShadowingExample(Integer shadow) {
        this.shadow = shadow;
    }
    
    public Integer getShadow() {
        return shadow;
    }

adtennant

public class Examples { // Begin class scope
    Integer classVariable;

    void instanceMethod() { // Begin method scope
        Integer methodVariable;

        // We can access classVariable because it is defined in a parent scope
        classVariable = 0; // OK!

        // We can access methodVariable because it's defined in the current scope

adtennant

public class AdvancedPieService {
    public String getFlavour() {
        return Pie_Settings__c.getInstance().Flavour__c;
    }
}