2023 Realistic 1z0-811 Dumps Latest Oracle Practice Tests Dumps [Q22-Q39]

2023 Realistic 1z0-811 Dumps Latest Oracle Practice Tests Dumps

1z0-811 Dumps PDF - 1z0-811 Real Exam Questions Answers

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NEW QUESTION # 22
Given the code fragment:

What is the result?

A. true
false
B. true
true
C. false
true
D. false
false

Answer: B

NEW QUESTION # 23
Which two statements are true about the Java Runtime Environment (JRE)?

A. It contains the JDK and Java APIs.
B. It is responsible for garbage collection.
C. You must install the JRE to compile a .java file.
D. It interprets bytecode stored in a .class file.
E. It is platform independent.

Answer: D,E

NEW QUESTION # 24
Given the classes:

Which two modifications, independently, enable the Salad.java file to compile?

A. Replace line n1 with import fruits.Apple.getApple();
B. Replace line n1 with import fruits;
C. Replace line n1 with import fruits.Apple;
D. Replace line n2 with fruits.Apple apple = new fruits.Apple ();
E. Replace line n2 with fruits.Apple apple = new Apple ();

Answer: A,E

NEW QUESTION # 25
Which statement is true about primitive variables?

A. They can be compared with the equals method only.
B. They can be compared with the == operator.
C. They can be compared with the compareTo method only.
D. They cannot be compared.

Answer: A

NEW QUESTION # 26
Given the contents of Student.java:

Which statement is true?

A. The commands:
javac Student.java
java Student Richard William Java
throw an error about a missing Course.class file.
B. The commands:
javac Course.java
javac Student.java
java Course
java Student "Richard William" Java
are used to print Richard William is studying Java.
C. The commands:
javac Student.java
java Student Richard William Java
are used to print Richard William is studying Java.
D. The commands:
javac Student.java
java Student "Richard William" Java
are used to print Richard William is studying Java.

Answer: A

NEW QUESTION # 27
You have a microprocessor board, such as Raspberry PI, wired to control a drone.
Which edition of Java is geared towards use of simple, closed systems with constrained memory requirements, such as a microprocessor board?

A. Java Enterprise Edition
B. Java Micro Edition
C. Java SE Embedded
D. Java Standard Edition with a Compact Profile

Answer: C

NEW QUESTION # 28
Identify three advantages of object-oriented programming.

A. code reuse
B. separation of state and behavior
C. information hiding
D. information sharing
E. modularity

Answer: A,C,E

NEW QUESTION # 29
Given the code:

Which code fragment, when inserted at line n1, enables the code to print sum is 30?

A. int sum(int, int) {
B. int sum(int a, b) {
C. int sum(int a, int b) {
D. int sum(int[] a, b) {

Answer: D

NEW QUESTION # 30
Given the code fragment:

Which statement is true?

A. A compilation error occurs at line 3.
B. A compilation error occurs at line 7.
C. The code compiles without errors.
D. A compilation error occurs at line 5.

Answer: C

NEW QUESTION # 31
Given the code fragment:

What is the result?

A. Unknown issues.
Invalid divisor.
B. Unknown issues.
C. A compilation error occurs.
D. Invalid divisor.

Answer: C

NEW QUESTION # 32
Given the code fragment:

Which statement is true?

A. The code compiles successfully
B. The code results in a compilation error. To make it compile, insert at line n1:
import java.util.*;
C. The code results in a compilation error. To make it compile, insert at line n1:
import java.lang.Math;
import java.lang.Random;
D. The code results in a compilation error. To make it compile, insert at line n1:
import java.lang;
import java.util;

Answer: A

NEW QUESTION # 33
Which two components can class declarations include?