[Jan 31, 2022] Get New 1z0-808 Certification Practice Test Questions Exam Dumps
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NEW QUESTION 81
Given the code fragment:
What is the result?
- A. Match 2
- B. Match 1
- C. No Match
- D. A NullPointerException is thrown at runtime.
Answer: B
NEW QUESTION 82
Given the code fragment:
Which two code fragments can be independently inserted at line n1 to enable the code to print the elements of the array in reverse order?
- A. while (x > 0) {System.out.print(array[--x]);}
- B. while (x >= 0) {System.out.print(array[x]);x--;}
- C. while (x > 0) {x--;System.out.print(array[x]);}
- D. do {System.out.print(array[x]);--x;} while (x >= 0);
- E. do {x--;System.out.print(array[x]);} while (x >= 0);
Answer: A,E
NEW QUESTION 83
Given the code fragment:
// insert code here arr[0] = new int[3]; arr[0][0] = 1; arr[0][1] = 2; arr[0][2] = 3;
arr[1] = new int[4]; arr[1][0] = 10; arr[1][1] = 20; arr[1][2] = 30; arr[1][3] = 40;
Which two statements, when inserted independently at line // insert code here, enable the code to compile?
- A. int [] [] arr = null;
- B. int [] [] arr = new int [2] [0];
- C. int [] [] arr = new int [2] [ ];
- D. int [] [] arr = new int [] [4];
- E. int [] [] arr = new int [2];
- F. int [] [] arr = new int [0] [4];
Answer: B,C
NEW QUESTION 84
Given:
What is the result?
Welcome Visit Count:0
- A. Compilation fails at line n2.
- B. Compilation fails at line n1.
Welcome Visit Count:0 - C. Welcome Visit Count: 0
- D. Welcome Visit Count: 1
Answer: B
Explanation:
NEW QUESTION 85
Which three statements describe the object-oriented features of the Java language? (Choose three.)
- A. Objects can share behaviors with other objects.
- B. A subclass must override the methods from a superclass.
- C. Objects can be reused.
- D. Object is the root class of all other objects.
- E. A main method must be declared in every class.
- F. A package must contain a main class.
Answer: A,B,E
Explanation:
Explanation/Reference: http://www.javaworld.com/article/2075459/java-platform/java-101--object-oriented-language- basics--part-5--object-and-its-methods.html (see the sub title, Object is root of all classes not all other objects)
NEW QUESTION 86
Given:
What is the result?
- A. a,e o, o
- B. e, e i, o
- C. a, e i, o
- D. e, e o, o
Answer: B
NEW QUESTION 87
Given the code fragment:
What is the result?
- A. A DateTimeException is thrown at runtime.
- B. 2012-02-11
- C. 2012-02-10
- D. Compilation fails
Answer: A
NEW QUESTION 88
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. Compilation fails.
Answer: B
NEW QUESTION 89
Given:
Given the code fragment:
Which two sets of actions, independently, enable the code fragment to print Fit?
- A. At line n1 insert: import clothing;
At line n2 insert: String color = Shirt.getColor(); - B. At line n1 insert: import clothing.Shirt;
At line n2 insert: String color = getColor(); - C. At line n1 insert: import static clothing.Shirt.getcolor;
At line n2 insert: String color = getColor(); - D. At line n1 insert: import clothing.*;
At line n2 insert: String color = Shirt.getColor(); - E. At line n1 no changes required.
At line n2 insert: String color = Shirt.getColor();
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 90
Given:
And given the code fragment:
Which two modifications enable the code to print the following output? (Choose two.) Canine 60 Long Feline 80 Short
- A. Replace line n1 with:
- B. . Replace line n1 with:
- C. Replace line n2 with:
- D. Replace line n2 with:
- E. Replace line n1 with:
<e ip="img_166.jpg"></ e>
Answer: B,D
NEW QUESTION 91
Given the code fragment:
What is the result?
- A. Match 2
- B. Match 1
- C. No Match
- D. A NullPointerException is thrown at runtime.
Answer: A
Explanation:
it will compare the string contents of the StringBuilder with string object.
NEW QUESTION 92
Given:
What is the result?
- A. A B C C
- B. A C D
- C. A B C D
- D. A B D
- E. A B D C
Answer: E
NEW QUESTION 93
Given the code fragment: Which modification enables the code fragment to print TrueDone?
- A. Remove the default section.
- B. Replace line 5 with boolean opt = l; Replace line 7 with case 1=
- C. Replace line 5 With String result = "true"; Replace line 7 with case "true":
- D. At line 9, remove the break statement.
Answer: D
NEW QUESTION 94
Given:
What is the result?
- A. true:true
- B. false:false
- C. false:true
- D. true:false
Answer: C
NEW QUESTION 95
Given:
What is the result?
- A. An ArrayIndexOutOfBoundsException is thrown at runtime.
- B. Richard
Donald - C. null
Richard
Donald - D. A NullPointerExceptionis thrown at runtime.
- E. Compilation fails.
Answer: D
NEW QUESTION 96
What is the name of the Java concept that uses access modifiers to protect variables and hide them within a class?
- A. Polymorphism
- B. Encapsulation
- C. Abstraction
- D. Instantiation
- E. Inheritance
Answer: B
Explanation:
Using the private modifier is the main way that an object encapsulates itself and hide data from the outside world.
Reference: http://www.tutorialspoint.com/java/java_access_modifiers.htm
NEW QUESTION 97
Given the code fragment:
What is the result if the integer aVar is 9?
- A. Hello World!
- B. 10 Hello World!
- C. Compilation fails.
- D. Hello Universe!
Answer: B
NEW QUESTION 98
Given:
What is the result?
- A. Object main 1
- B. int main 1
- C. An exception is thrown at runtime
- D. Compilation fails
- E. String main 1
Answer: E
NEW QUESTION 99
Given the following code:
What is the output?
- A. 4 21
- B. 4 7
- C. 5 4
- D. 4 4
- E. 3 5
- F. 4 5
Answer: F
NEW QUESTION 100
Given: What is the result?
- A. simaple A default Capital A
- B. Capital A
- C. Compilation fails.
- D. simaple A default
- E. simaple A
Answer: A
Explanation:
Here we have to use two ternary operators combined. SO first we can use to check first
condition which is x > 10, as follows;
x>10?">": (when condition false) Now we have to use another to check if x<10 as follows;
x<10?V:"=" We can combine these two by putting last ternary statement in the false
position of first ternary statement as follows;
x>10?">":x<10?'<':"="
https;//docs.oraclexom/javase/tutorial/java/nutsandbolts/if.html
NEW QUESTION 101
Given the code fragment:
Which modification enables the code to print 54321?
- A. Replace line 5 with while (is Available(--x)) {
- B. At line 7, insert x --;
- C. Replace line 12 with return (x > 0) ? false : true;
- D. Replace line 6 with System.out.print (--x);
Answer: A
NEW QUESTION 102
Given:
What is the result?
- A. Initialized
Started - B. Compilation fails at line n2.
- C. Compilation fails at line n1.
- D. Initialized
Started
Initialized
Answer: C
NEW QUESTION 103
Give:
What is the result?
- A. 0
- B. 1
- C. An exception is thrown at runtime
- D. Compilation fails
- E. The program fails to execute due to runtime error
Answer: C
NEW QUESTION 104
You are asked to develop a program for a shopping application, and you are given the following information:
- The application must contain the classes Toy, EduToy, and consToy. The Toy
class is the superclass of the other two classes.
- The int caicuiatePrice (Toy t) method calculates the price of a toy.
- The void printToy (Toy t) method prints the details of a toy.
Which definition of the Toy class adds a valid layer of abstraction to the class hierarchy?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: A
NEW QUESTION 105
......
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