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PassLeader 1Z0-808 Exam Dumps Collection with VCE and PDF (Question 17 – Question 24)

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QUESTION 17
Given the following code:
passleader-1z0-808-dumps-171
What is the output?

A.    4
4
B.    3
5
C.    4
7
D.    5
4
E.    4
5
F.    4
21

Answer: E

QUESTION 18
You are developing a banking module. You have developed a class named ccMask that has a maskcc method. Given the code fragment:
passleader-1z0-808-dumps-181
You must ensure that the maskcc method returns a string that hides all digits of the credit card number except the four last digits (and the hyphens that separate each group of four digits). Which two code fragments should you use at line n1, independently, to achieve this requirement?
passleader-1z0-808-dumps-182

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: BC

QUESTION 19
Given the code fragment:
passleader-1z0-808-dumps-191
Which code fragment, when inserted at line n1, enables the App class to print Equal?
passleader-1z0-808-dumps-192

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: A

QUESTION 20
Given:
passleader-1z0-808-dumps-201
What is the result?
passleader-1z0-808-dumps-202

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: B
Explanation:
int is a primitive type and Integer is an object with an int. When we call doSum(10, 20), we are calling doSum(int, int). By default, Java use double to represent its floating point literals. When we call doSum(10.0, 20.0), we are calling doSum(double, double).

QUESTION 21
Given the code fragment:
passleader-1z0-808-dumps-211
What is the result?

A.    Element 0
Element 1
B.    Null element 0
Null element 1
C.    Null
Null
D.    A NullPointerException is thrown at runtime.

Answer: D

QUESTION 22
Given:
passleader-1z0-808-dumps-221
What is the result?

A.    10:20
B.    0:20
C.    Compilation fails at line n1
D.    Compilation fails at line n2

Answer: D
Explanation:
this() and super() can’t be used in the same constructor
Here is a good reference for the question
http://stackoverflow.com/questions/10381244/why-cant-this-and-super-both-be-used-together-in-a-constructor

QUESTION 23
Given the definitions of the MyString class and the Test class:
passleader-1z0-808-dumps-231
What is the result?
passleader-1z0-808-dumps-232

A.    Option A
B.    Option B
C.    Option C
D.    Option D

Answer: C

QUESTION 24
Given the code fragment:
passleader-1z0-808-dumps-241
Which three lines fail to compile?

A.    Line 7
B.    Line 8
C.    Line 9
D.    Line 10
E.    Line 11
F.    Line 12

Answer: ADF
Explanation:
See “Assignment Compatibility” at
http://docstore.mik.ua/orelly/java/langref/ch04_13.htm


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