How do you create the Parameter buttons the toolbar for component com_hello?

Which statement apply to redirecting a HTTP request to another URL?

init() or jspInit() is invoked by the container on a servlet or a jsp?

Given the following code from a servlet, and given that myvar is a reference to either an HttpSession or a ServletContext: 1. myVar.setAttribute(“myName”, “myVal”); 2. String s = (String) myVar.getAttribute(“myName”); // more code After line 2 executes, which is true?