q341460 example class v1

q341460.cls

public class q341460 {
    public String property {
        get;
        set;
    } {
        property = 'Default Property Value';
    }
    
    public final String finalProperty {
        get;
        set { finalProperty = value; }
    } {
        finalProperty = 'Default Final Property Value';
    }
    public static void demo() {
        q341460 instance = new q341460();
        instance.finalProperty = 'New Final Property Value'; // compile error: Final members can only be assigned in their declaration, init blocks, or constructors: finalProperty
        System.debug('instance.property access getter ' + instance.finalProperty ); // 'New Final Property Value'
    }
}