in your buildpath,it need load jar ,so u upload this jar in your project, and then server will building it,

using window.close() is ok: 1.u check button is or isn't response; 2.debug js by firefox or chrome browser ,check console is or isnot error

{
new book ("Kingdom Keepers III\n", "Disney In Shadow\n", "Ridley Pearson\n", year2);
new book("Kingdom Keepers IV\n", "Power Play\n", "Ridley Pearson\n", year3);
System.out.println("Kingdom Keepers III");
System.out.println("Kingdom Keepers IV");
}

at first ,static-method can't transfer construct-method；the virtual can't recognize them for transfering each other,and static's prior higher than construct at second , if u want to test main ,and write printout static and construct ; u main-method should new book,through print result，u can find their prior