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Vendor: Oracle
Certifications: Java and Middleware
Exam Name: Java SE 7 Programmer I
Exam Code: 1Z0-803
Total Questions: 216 Q&As
1Z0-803 dumps
QUESTION 1
A method doSomething () that has no exception handling code is modified to trail a method that throws a checked exception. Which two modifications, made independently, will allow the program to compile?
A. Catch the exception in the method doSomething().
B. Declare the exception to be thrown in the doSomething() method signature.
C. Cast the exception to a RunTimeException in the doSomething() method.
D. Catch the exception in the method that calls doSomething().
Correct Answer: AB

QUESTION 2
Which three are advantages of the Java exception mechanism?
A. Improves the program structure because the error handling code is separated from the normal program function
B. Provides a set of standard exceptions that covers all the possible errors
C. Improves the program structure because the programmer can choose where to handle exceptions
D. Improves the program structure because exceptions must be handled in the method in which they occurred
E. allows the creation of new exceptions that are tailored to the particular program being
Correct Answer: ACE

QUESTION 3
An unchecked exception occurs in a method dosomething() Should other code be added in the dosomething() method for it to compile and execute?
A. The Exception must be caught
B. The Exception must be declared to be thrown.
C. The Exception must be caught or declared to be thrown.
D. No other code needs to be added.
Correct Answer: D

QUESTION 4
Given:
1Z0-803 dumps
What is the result? 1Z0-803 dumps
A. There is no output
B. d is output
C. A StringIndexOutOfBoundsException is thrown at runtime
D. An ArrayIndexOutOfBoundsException is thrown at runtime
E. A NullPointException is thrown at runtime
F. A StringArrayIndexOutOfBoundsException is thrown at runtime
Correct Answer: C

QUESTION 5
Given the following code fragment:
1Z0-803 dumps
What is the result if the integer value is 33?
A. The fox jump lazy …
B. The fox lazy …
C. Quick fox over lazy …
D. Quick fox the ….
Correct Answer: B

QUESTION 6
Given:
1Z0-803 dumps
Which two are possible outputs?
1Z0-803 dumps
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: AD

QUESTION 7
Which statement initializes a stringBuilder to a capacity of 128?
A. StringBuilder sb = new String (“128”);
B. StringBuilder sb = StringBuilder.setCapacity (128);
C. StringBuilder sb = StringBuilder.getInstance (128);
D. StringBuilder sb = new StringBuilder (128);
Correct Answer: D

QUESTION 8
Which two may precede the word `class’ in a class declaration?
A. local
B. public
C. static
D. volatile
E. synchronized
Correct Answer: BC

QUESTION 9
Given:
1Z0-803 dumps
Which two actions, 1Z0-803 dumps used independently, will permit this class to compile?
A. Adding throws IOException to the main() method signature
B. Adding throws IOException to the doSoomething() method signature
C. Adding throws IOException to the main() method signature and to the dosomething() method
D. Adding throws IOException to the dosomething() method signature and changing the catch argument to IOException
E. Adding throws IOException to the main() method signature and changing the catch argument to IOException
Correct Answer: CD

QUESTION 10
Given:
1Z0-803 dumps
Which approach ensures that the class can be compiled and run?
A. Put the throw new Exception() statement in the try block of try catch
B. Put the doSomethingElse() method in the try block of a try catch
C. Put the doSomething() method in the try block of a try catch
D. Put the doSomething() method and the doSomethingElse() method in the try block of a try catch
Correct Answer: A

QUESTION 11
A method is declared to take three arguments. A program calls this method and passes only two arguments. What is the result?
A. Compilation fails.
B. The third argument is given the value null.
C. The third argument is given the value void.
D. The third argument is given the value zero.
E. The third argument is given the appropriate false value for its declared type.
F. An exception occurs when the method attempts to access the third argument.
Correct Answer: A

QUESTION 12
Which three are bad practices?
A. Checking for ArrayIndexoutofBoundsException when iterating through an array to determine when all elements have been visited
B. Checking for Error and. If necessary, restarting the program to ensure that users are unaware problems
C. Checking for FileNotFoundException to inform a user that a filename entered is not valid
D. Checking for ArrayIndexoutofBoundsException and ensuring that the program can recover if one occur
E. Checking for an IOException and ensuring that the program can recover if one occurs
Correct Answer: ABD

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