Free Oracle 1z0-808 Exam 2023 Practice Materials Collection [Q91-Q106]

Free Oracle 1z0-808 Exam 2023 Practice Materials Collection

1z0-808 Exam Info and Free Practice Test All-in-One Exam Guide Apr-2023

How to the 1Z0-808 Exam

Let’s have a look at some essential pointers to examine for the 1Z0-808 exam:

1. First things initially, you need to most likely to the official Pearson VUE website and also register. Make certain that you do not pick the wrong exam, as this will result in failing your exam. You are needed to take the technique examination a minimum of 3 times prior to you will be allowed to take the real exam.

2. The first thing you need to do is to experience the official 1Z0-808 exam guide. This tells you about the various sorts of questions and how to address them. You ought to additionally exercise these questions for at the very least 15 mins a day, preferably prior to your very first hr of rest.

3. After you have had the ability to check out and also recognize basic concepts from the 1Z0-808 exam guide, start practicing by doing sample inquiries from the real exam. Your objective is to address at the very least 80% of the questions on the examination guide prior to you go to the actual examination. You are called to take all technique exams in our 1Z0-808 Dumps, they will count in your total rating.

4. Ultimately, undergo the simulation exam again before you finally begin practicing for the real 1Z0-808 exam. This is usually described as the “slow-motion method” since it aids you to concentrate as well as remember every one of your answers as opposed to simply reviewing them off a display.

NEW QUESTION 91
Given the code fragment:

Which two modifications, made independently, enable the code to compile?

 Make the method at line n1 public.

 Make the method at line n2 public.

 Make the method at line n3 public.

 Make the method at line n3 protected.

 Make the method at line n4 public.

NEW QUESTION 92
Given:

What is the result?

 Option A

 Option B

 Option C

 Option D

NEW QUESTION 93
Given:

What is the result?

 false, false

 false, true

 true, false

 true, true

NEW QUESTION 94
Given:

What is the result?

 True false

 True null

 Compilation fails

 A NullPointerException is thrown at runtime

NEW QUESTION 95
Given the code fragment:

What is the result?

 A NullPointerException is thrown at runtime.

 [1, 2, 4]

 [1, 2, 4, null]

 [1, 3, 4, null]

 [1, 3, 4]

 Compilation fails.

Explanation/Reference:

NEW QUESTION 96
Given:

What is the result?

 10 : 30 : 6

 10 : 22 : 22

 10 : 22 : 20

 10 : 22 : 6

Explanation/Reference:
Explanation

NEW QUESTION 97
Given:

What is the result?

 box

 nbo

 bo

 nb

 An exception is thrown at runtime

NEW QUESTION 98
Given the following code:

What is the output?

 4
4

 3
5

 4
7

 5
4

 4
5

 4
21

NEW QUESTION 99
Which three are advantages of the Java exception mechanism?

 Improves the program structure because the error handling code is separated from the normal program function

 Provides a set of standard exceptions that covers all the possible errors

 Improves the program structure because the programmer can choose where to handle exceptions

 Improves the program structure because exceptions must be handled in the method in which they occurred

 Allows the creation of new exceptions that are tailored to the particular program being created

NEW QUESTION 100
Given the code fragment:

What is the result?

 An exception is thrown at runtime.

 -1

 5

 0

NEW QUESTION 101
Given the code fragment:

Which code fragment prints red: blue: small: medium?

 Option A

 Option B

 Option C

 Option D

NEW QUESTION 102
Given:

Which statement is true?

 Both p and s are accessible by obj.

 Only s is accessible by obj.

 Both r and s are accessible by obj.

 p, r, and s are accessible by obj.

NEW QUESTION 103
Which three statements are true about the structure of a Java class?

 A class can have only one private constructor.

 A method can have the same name as a field.

 A class can have overloaded static methods.

 A public class must have a main method.

 The methods are mandatory components of a class.

 The fields need not be initialized before use.

A: Private constructors prevent a class from being explicitly instantiated by its
callers.
If the programmer does not provide a constructor for a class, then the system will always
provide a default, public no-argument constructor. To disable this default constructor,
simply add a private no-argument constructor to the class. This private constructor may be
empty.
B: The following works fine:
int cake() {
int cake=0;
return (1);
}
C: We can overload static method in Java. In terms of method overloading static method
are just like normal methods and in order to overload static method you need to provide
another static method with same name but different method signature.
Incorrect:
Not D: Only a public class in an application need to have a main method.
Not E:
Example:
class A
{
public string something;
public int a;
}
Q: What do you call classes without methods? Most of the time: An anti pattern.
Why? Because it faciliates procedural programming with “Operator” classes and data structures. You separate data and behaviour which isn’t exactly good OOP.
Often times: A DTO (Data Transfer Object)
Read only datastructures meant to exchange data, derived from a business/domain object.
Sometimes: Just data structure.
Well sometimes, you just gotta have those structures to hold data that is just plain and simple and has no operations on it.
Not F: Fields need to be initialtized. If not the code will not compile.
Example:
Uncompilable source code – variable x might not have been initialized

NEW QUESTION 104
Given:

What is the result?

 false, false

 false, true

 true, false

 true, true

NEW QUESTION 105
Given the code snippet from a compiled Java source file:

Which command-line arguments should you pass to the program to obtain the following output?
Arg is 2

 java MyFile 1 3 2 2

 java MyFile 2 2 2

 java MyFile 1 2 2 3 4

 java MyFile 0 1 2 3

NEW QUESTION 106
Given the code fragment:

Which option can replace xxx to enable the code to print 135?

 int e = 0; e < = 4; e++

 int e = 0; e < 5; e + = 2

 int e = 1; e < = 5; e + = 1

 int e = 1; e < 5; e+ =2

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How much 1Z0-808 Exam Cost

The exam cost of the 1Z0-808 exam is 245 USD.

Certification Path

You don’t need to take any prerequisite for the 1Z0-808 exam.

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