Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records. which Visualforce feature supports this requirement?

A developer creates a custom controller and custom Visualforce page by using the following code block:public class myController {public String myString;public String getMyString() {return 'getmyString';}public String getStringMethod1() {return myString;}public String getStringMethod2() {if (myString == null)myString =
'Method2';return myString;}}{!myString}, {!StringMethod1}, {!StringMethod2}, {!myString}What does the user see when accessing the custom page?

What is the result of the following code block ?
Integer x = 1;Integer Y = 0;While(x < 10){Y++;}

What is a benefit of the Lightning Component framework?Choose 3 answers

A developer working on a time management application wants to make total hours for each timecard available to applications users. A timecard entry has a Master-Detail relationship to a timecard. Which approach should the developer use to accomplish this declaratively?