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Java Standard Edition 6 Programmer Certified Professional Exam
Exam
Number:1Z0-851
Associated Certifications:Oracle Certified Professional, Java
SE 6 Programmer
Exam Price:US$ 300
Duration:150 minutes
Number of
Questions:60
Passing Score: 61%
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Oracle OCJP
Certification Program 1Z0-851 Exam Topics
Develop code that makes proper use
of type parameters in class/interface declarations, instance variables, method
arguments, and return types; and write generic methods or methods that make use
of wildcard types and understand the similarities and differences between these
two approaches.
Use capabilities in the java.util package to write code to
manipulate a list by sorting, performing a binary search, or converting the list
to an array. Use capabilities in the java.util package to write code to
manipulate an array by sorting, performing a binary search, or converting the
array to a list. Use the java.util.
Determine the effect upon object references and primitive values when they
are passed into methods that perform assignments or other modifying operations
on the parameters.
Given a code example, recognize the point at which an
object becomes eligible for garbage collection, determine what is and is not
guaranteed by the garbage collection system, and recognize the behaviors of the
Object.finalize() method.
Given the fully-qualified name of a class that is
deployed inside and/or outside a JAR file, construct the appropriate directory
structure for that class. Given a code example and a classpath, determine
whether the classpath will allow the code to compile successfully.
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Which two code fragments correctly create and initialize a static
array of int elements? (Choose two.)
A. static final int[] a = { 100,200
};
B. static final int[] a;
static { a=new int[2]; a[0]=100;
a[1]=200;
}
C. static final int[] a = new int[2]{ 100,200 }
;
D.
static final int[] a;
static void init() { a = new int[3]; a[0]=100;
a[1]=200;
}
Answer: A,B
Given
11. public interface Status {
12. /* insert code here */ int
MY_VALUE = 10;
13. } Which three are valid on line
12?
(Choose
three.
)A. final
B. static
C. native
D. public
E. private
F.
abstract
G. protected
Answer: A,B,D
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