[2023] 1z0-808 PDF Questions - Perfect Prospect To Go With DumpsQuestion Practice Exam
Oracle 1z0-808 Pdf Questions - Outstanding Practice To your Exam
NEW QUESTION 52
Given the code fragment:
Which three code fragments can be independently inserted at line n1 to enable the code to print one?
- A. Byte x = 1;
- B. Long x = 1;
- C. Integer x = new Integer ("1");
- D. short x = 1;
- E. Double x = 1;
- F. String x = "1";
Answer: A,C,D
NEW QUESTION 53
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
NEW QUESTION 54
Given:
What is the result?
A:
B:
C:
D:
- A. Option C
- B. Option A
- C. Option D
- D. Option B
Answer: D
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 55
Given:
What is the result?
- A. Area is 6.0
- B. Area is 3.0
- C. Compilation fails at line n2.
- D. Compilation fails at line n1
Answer: C
NEW QUESTION 56
Given the following two classes:
How should you write methods in the ElectricAccount class at line n1 so that the member variable bill is always equal to the value of the member variable kwh multiplied by the member variable rate?
Any amount of electricity used by a customer (represented by an instance of the customer class) must contribute to the customer's bill (represented by the member variable bill) through the method useElectricity method. An instance of the customer class should never be able to tamper with or decrease the value of the member variable bill.
- A. Option B
- B. Option D
- C. Option A
- D. Option C
Answer: C,D
NEW QUESTION 57
Give:
Public Class Test {
}
Which two packages are automatically imported into the java source file by the java compiler?
- A. Java.awt
- B. Javax.net
- C. Java.*
- D. Java.lang
- E. The package with no name
- F. Java.util
Answer: D,E
Explanation:
For convenience, the Java compiler automatically imports three entire packages for each source file: (1) the package with no name, (2) the java.lang package, and (3) the current package (the package for the current file).
Note:Packages in the Java language itself begin with java. or javax.
NEW QUESTION 58
Given the code fragment:
What is the result?
- A. Option D
- B. Option C
- C. Option A
- D. Option B
Answer: A
Explanation:
NEW QUESTION 59
Given the code fragment:
What is the result?
- A. No Match
- B. Match 1
- C. Match 2
- D. A NullPointerException is thrown at runtime.
Answer: C
NEW QUESTION 60
Given:
What is the result?
- A. 81 25
- B. 9 5
- C. Compilation fails.
- D. 0 0
Answer: B
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 61
Given:
What is the result?
- A. An exception is thrown at runtime
- B. String main 1 2 3
- C. String main 123
- D. String main 1
Answer: D
NEW QUESTION 62
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. Compilation fails only at line n1.
- D. Jesse 25Walter 52
Answer: D
NEW QUESTION 63
Given the code fragment:
Test.java:
Which is the result?
- A. Option D
- B. Option C
- C. Option E
- D. Option A
- E. Option B
Answer: A
NEW QUESTION 64
Which three are advantages of the Java exception mechanism? (Choose three.)
- A. Provides a set of standard exceptions that covers all the possible errors
- B. Improves the program structure because the error handling code is separated from the normal program function
- C. Improves the program structure because the programmer can choose where to handle exceptions
- D. Allows the creation of new exceptions that are tailored to the particular program being created
- E. Improves the program structure because exceptions must be handled in the method in which they occurred
Answer: B,C,D
NEW QUESTION 65
Given the following code:
What are the values of each element in intArr after this code has executed?
- A. 15, 30, 75, 60, 90
- B. 15, 90, 45, 90, 75
- C. 15, 30, 90, 60, 90
- D. 15, 4, 45, 60, 90
- E. 15, 60, 45, 90, 75
Answer: A
NEW QUESTION 66
Given:
What would be the output, if it is executed as a program?
- A. name = null pass = true
- B. name =, pass =
- C. name = null, pass = false
- D. name = null, pass = null
- E. Compile error.
Answer: C
Explanation:
Both name and pass variables are instance variables, and we haven't given them any
values, so they take their default values. For Boolean default value is false and for string
which is not a primitive type default is null So at line 7, null will printed as the value of the
variable name, and at line 8 false will be printed. Hence Option C is correct.
As explained above options A, B and D are incorrect.
Code compiles fine so option E is incorrect.
Reference:
https://docs.oracle.com/javaseAutorial/java/javaOOAariables.html
NEW QUESTION 67
You are asked to create a method that accepts an array of integers and returns the highest value from that array.
Given the code fragment:
Which method signature do you use at line n1?
- A. final int findMax (int [] )
- B. static int[] findMax (int max)
- C. static int findMax (int [] numbers)
- D. public int findMax (int [] numbers)
Answer: C
NEW QUESTION 68
Given:
And given the code fragment:
What is the result?
- A. Compilation fails at line n3.
- B. Read Book
- C. Read E-Book
- D. Compilation fails at line n2.
- E. Compilation fails at line n1.
Answer: B
NEW QUESTION 69
Which of the following can fill in the blank in this code to make it compile? (Select 2 options.)
- A. On line 1, fill in throws new
- B. On line 2, fill in throws
- C. On line 2, fill in throws new
- D. On line 1, fill in throws
- E. On line 2, fill in throw new
Answer: D,E
Explanation:
Option A and C are the correct answer.
In a method declaration, the keyword throws is used. So here at line 1 we have to use option A.
To actually throw an exception, the keyword throw is used and a new exception is created,
so at line 2 we have to use throw and new keywords, which is option C.
Finally it will look like;
public void method() throws Exception {
throw new Exception0;
}
REFERENCE : httpsy/docs.oracle.com/javase/tutorial/essential/io/fileOps.html#exception
The correct answer is: On line 1, fill in throws. On line 2, fill in throw new
NEW QUESTION 70
Which three statements describe the object-oriented features of the Java language?
- A. A main method must be declared in every class.
- B. A package must contain more than one class.
- C. Objects cannot be reused.
- D. Objects can share behaviors with other objects.
- E. A subclass can inherit from a superclass.
- F. Object is the root class of all other objects.
Answer: A,D,E
Explanation:
Explanation: References:
NEW QUESTION 71
Given the code fragment:
Which option can replace xxx to enable the code to print 135?
- A. int e = 1; e < 5; e+ =2
- B. int e = 1; e < = 5; e + = 1
- C. int e = 0; e < = 4; e++
- D. int e = 0; e < 5; e + = 2
Answer: D
NEW QUESTION 72
Which two are benefits of polymorphism?
- A. More flexible and reusable code
- B. More efficient code at runtime
- C. More dynamic code at runtime
- D. Faster code at runtime
- E. Code that is protected from extension by other classes
Answer: A,B
Explanation:
Explanation: References:
NEW QUESTION 73
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 B
- D. Option C
Answer: C,D
NEW QUESTION 74
......
Online Questions - Outstanding Practice To your 1z0-808 Exam: https://www.dumpsquestion.com/1z0-808-exam-dumps-collection.html
Practice To 1z0-808 - DumpsQuestion Remarkable Practice On your Java SE 8 Programmer I Exam: https://drive.google.com/open?id=1NocIvs2OWYRmg9xMSHnx7Efe0B10SQ81