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Oracle 1z0-808 is a certification exam for individuals who have basic knowledge of the Java programming language and want to validate their skills. 1z0-808 exam is also known as the Java SE 8 Programmer I certification exam, and it is designed to test the candidate's ability to write, compile, and debug simple Java programs. 1z0-808 exam covers various topics related to Java programming, such as data types, operators, loops, classes, and interfaces.
NEW QUESTION # 79
Given:
Acc.java:
Which statement is true?
- A. p, r, and s are accessible by obj.
- B. Both r and s are accessible by obj.
- C. Both p and s are accessible by obj.
- D. Only s is accessible by obj.
Answer: D
NEW QUESTION # 80
Given the code fragment:
And given the requirements:
-If the value of the qty variable is greater than or equal to 90, discount = 0.5 -If the value of the qty variable is between 80 and 90, discount = 0.2 Which two code fragments can be independently placed at line n1 to meet the requirements?
- A. Option E
- B. Option A
- C. Option C
- D. Option B
- E. Option D
Answer: E
NEW QUESTION # 81
Given the code fragment:
Which three lines fail to compile? (Choose three.)
- A. Line 12
- B. Line 9
- C. Line 10
- D. Line 11
- E. Line 7
- F. Line 8
Answer: A,C,E
NEW QUESTION # 82
Given the code fragment:
What is the result?
- A. [Robb, Rick, Bran]
- B. [Robb, Rick]
- C. [Robb, Bran, Rick, Bran]
- D. An exception is thrown at runtime.
Answer: A
NEW QUESTION # 83
You are developing a banking module. You have developed a class named ccMask that has a maskcc method.
Given the code fragment:
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?
- A. Option A
- B. Option D
- C. Option C
- D. Option B
Answer: C,D
NEW QUESTION # 84
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 n1 with:
E: Replace line n2 with:
- A. Option E
- B. Option D
- C. Option C
- D. Option B
- E. Option A
Answer: A,E
NEW QUESTION # 85
Which three statements are true about the structure of a Java class?
- A. A class can have only one private constructor.
- B. A method can have the same name as a field.
- C. A class can have overloaded static methods.
- D. A public class must have a main method.
- E. The methods are mandatory components of a class.
- F. The fields need not be initialized before use.
Answer: A,B,F
NEW QUESTION # 86
Given the code fragment:
What is the result?
- A. Compilation fails.
- B. 13480.0
- C. An exception is thrown at runtime.
- D. 13480.02
Answer: B
NEW QUESTION # 87
Given:
What is the result?
- A. An ArraylndexOutOfBoundsException is thrown at runtime.
- B. Compilation fails.
- C. 97 98
99 100 101 102 103 - D. A NullPointerException is thrown at runtime.
- E. 97 98
99 100 null null null
Answer: E
NEW QUESTION # 88
Given the following class:
Which three pieces of code, when inserted independently, set the value of amount to 100?
- A. Option E
- B. Option A
- C. Option C
- D. Option B
- E. Option D
- F. Option F
Answer: A,C,E
NEW QUESTION # 89
Given:
What is the result?
- A. 97 9899 100 null null null
- B. An ArraylndexOutOfBoundsException is thrown at runtime.
- C. Compilation rails.
- D. A NullPointerException is thrown at runtime.
- E. 97 9899 100 101 102 103
Answer: A
NEW QUESTION # 90
Given the content of three files:
Which statement is true?
- A. Only the A.Java file compiles successfully.
- B. The A.Java and B.java files compile successfully.
- C. Only the C.java file compiles successfully.
- D. The B.java and C.java files compile successfully.
- E. Only the B.java file compiles successfully.
- F. The A.Java and C.java files compile successfully.
Answer: A
NEW QUESTION # 91
Given:
What is the result?
- A. A B D
- B. A B C C
- C. A C D
- D. A B D C
- E. A B C D
Answer: B
NEW QUESTION # 92
Given the code from the Greeting.Java file:
Which set of commands prints Hello Duke in the console?
- A. Option A
- B. Option D
- C. Option C
- D. Option B
Answer: C
NEW QUESTION # 93
Given the code fragment: Which three code fragments can be independently inserted at line nl to enable the code to print one?
- A. Byte x = 1;
- B. Integer x = new Integer ("1");
- C. Double x = 1;
- D. String x = "1";
- E. short x = 1;
- F. Long x = 1;
Answer: F
NEW QUESTION # 94
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 calculatePrice (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.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 95
Given:
This class is poorly encapsulated. You need to change the circle class to compute and return the area instead.
What three modifications are necessary to ensure that the class is being properly encapsulated?
- A. Change the access modifier of the setradius () method to private
- B. Change the getRadius () method:
public double getRadius () {
area = Math.PI * radius * radius;
return radius;
} - C. Change the getArea () method public double getArea () { return area; }
- D. When the radius is set in the Circle constructor and the setRadius () method, recomputed the area and store it into the area field
Answer: B,C,D
NEW QUESTION # 96
Given the code fragment:
int[] array = {I, 2, 3, 4, 5};
And given the requirements:
Process all the elements of the array in the order of entry.
Process all the elements of the array in the reverse order of entry.
Process alternating elements of the array in the order of entry.
Which two statements are true?
- A. Requirement 1 can be implemented by using the enhanced for loop.
- B. Requirements 2 and 3 CANNOT be implemented by using the standard for loop.
- C. Requirement 3 CANNOT be implemented by using either the enhanced for loop or the standard for loop.
- D. Requirements 1, 2, and 3 can be implemented by using the standard for loop.
- E. Requirements 1, 2, and 3 can be implemented by using the enhanced for loop.
Answer: A,C
NEW QUESTION # 97
View the exhibit:
public class Student {
public String name = "";
public int age = 0;
public String major = "Undeclared";
public boolean fulltime = true;
public void display() {
System.out.println("Name: " + name + " Major: " + major); }
public boolean isFullTime() {
return fulltime;
}
}
Given:
Public class TestStudent {
public static void main(String[] args) {
Student bob = new Student ();
bob.name = "Bob";
bob.age = 18;
bob.year = 1982;
}
}
What is the result?
- A. bob.year is set to 1982
- B. A compile time error is generated.
- C. year is set to 1982.
- D. A runtime error is generated.
Answer: B
NEW QUESTION # 98
Given the code fragment:
What is the result?
- A. The program compiles, but it prints nothing.
- B. Compilation fails.
- C. An UnsupportedOperationExceptionis thrown at runtime.
- D. HiHowAreYou removed
Answer: A
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION # 99
Given the code fragment:
What is the result?
- A. Compilation fails only at line n2.
- B. Compilation fails at both line n1 and line n2.
- C. Jesse 25
Walter 52 - D. Compilation fails only at line n1.
Answer: B
NEW QUESTION # 100
Given this code for a Planet object:
What is the output?
- A. Option E
- B. Option A
- C. Option D
- D. Option C
- E. Option B
Answer: D
NEW QUESTION # 101
Given the code fragment:
Which three code fragments can be independently inserted at line nl to enable the code to print one?
- A. Byte x = 1;
- B. Integer x = new Integer ("1");
- C. short x = 1;
- D. Long x = 1;
- E. Double x = 1;
- F. String x = "1";
Answer: A,B,C
NEW QUESTION # 102
......
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