Given: String[] elements = { "for", "tea", "too" }; String first = (elements.length > 0) ? elements[0] : null; What is the result?()
第1题:
A.Anexceptionisthrownatruntime.
B.1
C.4
D.Compilationfails.
E.0
第2题:
A.Compilationfails.
B.Anexceptionisthrownatruntime.
C.Thevariablefirstissettonull.
D.Thevariablefirstissettoelements[0].
第3题:
A.Compilationfails.
B.Compilationsucceedswitherrors.
C.Compilationsucceedswithwarnings.
D.Compilationsucceedswithoutwarningsorerrors.
第4题:
Given an HttpServletRequest request: 22.String id = request.getParameter("jsessionid"); 23.// insert code here 24.String name = (String) session.getAttribute("name"); Which three can be placed at line 23 to retrieve anexisting HttpSession object?()
第5题:
Given: 11. String test = "This is a test"; 12. String[] tokens = test.split("/s"); 13. System.out.println(tokens.length); What is the result?()
第6题:
A.0
B.1
C.4
D.Compilationfails.
第7题:
Given:Andthefollowingfivefragments:publicstaticvoidmain(String...a){publicstaticvoidmain(String.*a){publicstaticvoidmain(String...a){publicstaticvoidmain(String[]...a){publicstaticvoidmain(String...[]a){Howmanyofthecodefragments,insertedindependentlyatline2,compile?()
A.0
B.1
C.2
D.3
E.4
第8题:
A.String regex="";
B.String regex=" .";
C.String regex=".*";
D.String regex="\\s";
E.String regex="\\.\\s*";
F.String regex="\\w[\.]+";
第9题:
Given: 11.String test = "a1b2c3"; 12.String[] tokens = test.split("//d"); 13.for(String s: tokens) System.out.print(s + " "); What is the result?()
第10题:
Given: 310-025 Leading the way in IT testing and certification tools, www.testking.com - 48 - public class foo { static String s; public static void main (Stringargs) { system.out.printIn (“s=” + s); } } What is the result?()