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Sam has designed an application. It segregates tasks that are critical and executed frequently from tasks that are non critical and executed less frequently. He has prioritized these tasks based on their criticality and frequency of execution. After close scrutiny, he finds that the tasks designed to be non critical are rarely getting executed.
From what kind of problem is the application suffering?
To provide meaningful output for:
System.out.print( new Item ()):
A method with which signature should be added to the Item class?
A.Test4actualpublic String asString()
B.Test4actualpublic Object asString()
C.Test4actualpublic Item asString()
D.Test4actualpublic String toString()
E.Test4actualpublic object toString()
F.Test4actualpublic Item toString()
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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
Questions and Answers : 150Q&As
Update Time : 2012-8-6
Price : $79.00
1Z0-804 exam Java SE 7 Programmer II
Advanced Class Design
Identify when and how to apply abstract classes
Construct abstract Java classes and subclasses
Use the static and final keywords
Create top-level and nested classes
Use enumerated types
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
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