Given: 10.public void service(ServletRequest request, 11.ServletResponse response) { 12.ServletInputStream sis = 13.// insert code here 14.} Which retrieves the binary input stream on line 13?()
第1题:
Given: 11.<% 12.request.setAttribute("vals", new String[]{"1","2","3","4"}); 13.request.setAttribute("index", "2"); 14.%> 15.<%-- insert code here --%> Which three EL expressions, inserted at line 15,are valid and evaluate to "3"?()
第2题:
class One { void foo() {} } class Two extends One { //insert method here } Which three methods, inserted individually at line 14, will correctly complete class Two?()
第3题:
11.public class Counter{12.public static void main(String[]args){13.int numArgs=/*insert code here*/;14.}15.}and the command line:java Counter one fred 42 Which code,inserted at line 13,captures the number of arguments passed into the program?()
A.args.count
B.args.length
C.args.count()
D.args.length()
E.args.getLength()
第4题:
11. double input = 314159.26; 12. NumberFormat nf= NumberFormat.getInstance(Locale.ITALIAN); 13. String b; 14. //insert code here Which code, inserted at line 14, sets the value of b to 3 14.159,26?()
第5题:
Given: 11.public class MyServlet extends HttpServlet { 12.public void service(HttpServletRequest request, 13.HttpServletResponse response) 14.throws ServletException, IOException { 15.// insert code here 16.} 17.} and this element in the web application’s deployment descriptor:
第6题:
For a given Servlet Response response, which retrieves an object for writing binary data? ()
第7题:
11. public class Counter { 12. public static void main(String[] args) { 13. int numArgs = /* insert code here */; 14. } 15. } and the command line: java Counter one fred 42 Which code, inserted at line 13, captures the number of arguments passed into the program?()
第8题:
A.int foo() { /* more code here */ }
B.void foo() { /* more code here */ }
C.public void foo() { /* more code here */ }
D.private void foo() { /* more code here */ }
E.protected void foo() { /* more code here */ }
第9题:
Given a Filter class definition with this method: 21.public void doFilter(ServletRequest request, 22.ServletResponse response, 23.FilterChain chain) 24.throws ServletException, IOException { 25.// insert code here26. } Which should you insert at line 25 to properly invoke the next filter in the chain,or the target servlet if thereare no more filters?()
第10题:
11. rbo = new ReallyBigObject(); 12. // more code here 13. rbo = null; 14. /* insert code here */ Which statement should be placed at line 14 to suggest that the virtual machine expend effort toward recycling the memory used by the object rbo?()