1Z0-804 questions and answers

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Oracle Java SE 7 Programmer II Exam 1Z0-804 exam topics
Object-Oriented Design Principles
Write code that declares, implements and/or extends interfaces
Choose between interface inheritance and class inheritance
Develop code that implements "is-a" and/or "has-a" relationships
Apply object composition principles
Design a class using the Singleton design pattern
Write code to implement the DAO pattern
Design and create objects using a factory, and use factories from the API

Oracle Java SE 7 Programmer II Exam 1Z0-804 demo
12.Given the code fragment:
public class DisplaValues {
public void printNums (int [] nums){
for (int number: nums) {
System.err.println(number);
}
}
}
Assume the method printNums is passed a valid array containing data. Why is this method not
producing output on the console?
A. There is a compilation error.
B. There is a runtime exception.
C. The variable number is not initialized.
D. Standard error is mapped to another destination.
Answer: D

13.Which method would you supply to a class implementing the Callable interface?
A. callable ()
B. executable ()
C. call ()
D. run ()
E. start ()
Answer: C

Oracle Java SE 7 Programmer II Exam 1Z0-804
Exam Number/Code : 1Z0-804
Exam Name : Java SE 7 Programmer II Exam
 One year free update
 Once failed,100% refund
Free 1Z0-804 Dumps Demo Download
Questions and Answers : 150Q&As
Update Time : 2013-3-28
Price : $79.00

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