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Oracle Java Standard Edition 6 Programmer Certified Professional Exam OCJP 1Z0-851
Exam Number/Code : 1Z0-851
Exam Name : Java Standard Edition 6 Programmer Certified Professional Exam
Questions and Answers : 290Q&As
Update Time : 2012-1-10
Price : $79.00
Free 1Z0-851 Demo Download
1.Given a pre-generics implementation of a method: 2.A programmer has an algorithm that requires a java.util.List that provides an efficient implementation of add(0,object),but does NOT need to support quick random access.What supports these requirements.? Test4actual 1Z0-851 exam Questions have been prepared for the purpose of enlightening the aspirants of the certification. A little attention by yourself to the study tasks of exam Test4actual Questions can solve many of your problems and can boost up your confidence in taking the 1Z0-851 exam without feeling any hesitation. You can be sure of getting the most detailed and accurate Oracle Certification 1Z0-851 Certification Training Tools from us. Our 1Z0-851 Certification are economical and comprehensive. Our Training Tools are updated regularly with the changing Certification Exam Objectives to give you the latest Certification Exam Study Material.
11.public static int sum(Listlist) {
12.int sum=0;
13.for(Iterator iter =list.iterator(); iter.has Next(); ){
14.int i =((Integer)iter.next()).int Value();
15.sum+=i;
16.}
17.return sum;
18.}
What three changes allow the class to be used with generics and avoid an uncheckedw arning?(Choose three.)
A.Remove line 14.
B.Replace line 14 with"int i =iter.next();".
C.Replace line 13 with"for(int i :intList) {".
D.Replace line 13 with"for(Iterator iter :intList) {".
E.Replace the method declaration with "sum(List
F.Replace the method declaration with "sum(List
Answer:A,C,F
A.java.util.Queue
B.java.util.ArrayList
C.java.util.LinearList
D.java.util.LinkedList
Answer:D