Latest [May 02, 2023] Real Oracle 1z0-811 Exam Dumps Questions

1z0-811 Dumps To Pass Java SE Exam in One Day (Updated 77 Questions)

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QUESTION 25
Given these class definitions:

Which class or classes compile?

 only MyClassB, MyClassC, and MyClassD

 only MyClassB

 MyClassA, MyClassB, MyClassC, and MyClassD

 only MyClassB and MyClassD

QUESTION 26
Given:

And the code fragment:

Which code fragment can be inserted at line n1 to enable the code to print All the best?

 void writeMsg();

 Messenger.writeMsg();

 writeMsg();

 m.writeMsg();

QUESTION 27
Given the code fragment:

What is the result?

 9
12

 10
10

 9
9

 10
14

QUESTION 28
Given the code fragment:

At which line does a compilation error occur?

 lines 5 and 7

 line 7

 lines 6 and 8

 line 5

QUESTION 29
Given:

What is the result?

 [null:-]

 [ : ]

 [null:null]

 [:null]

QUESTION 30
Identify three features of the Java programming language.

 distributed

 direct memory management

 multithreaded

 strongly typed

 dynamically typed

QUESTION 31
Which two statements are true about the Java Runtime Environment (JRE)?

 It is responsible for garbage collection.

 It interprets bytecode stored in a .class file.

 It contains the JDK and Java APIs.

 It is platform independent.

 You must install the JRE to compile a .java file.

QUESTION 32
Given the code fragment:

What is the result?

 true
true

 true
false

 false
false

 false
true

QUESTION 33
Which package would you import to use the Random class?

 java.io

 java.math

 java.util

 java.lang

QUESTION 34
Given the code fragment:

What is the result?

 lotus jasmine

 lotus

 A compilation error occurs.

 lotus lily

QUESTION 35
Given:

Which statement is true about the main method?

 It can be a non-static method.

 Its parameter can be of type Integer [].

 It cannot be defined in a non-public class.

 It cannot be invoked by its name.

QUESTION 36
Given the code fragment:

Which code fragment, when inserted at line n1, enables it to print Rita is 14 years old?

 System.out.println(“%s is %d years old” +name+age);

 System.out.println(“%s is %n years old” name, age);

 System.out.printf(“%s is %d years old”, name, age);

 System.out.printf(“%s is %n years old”, name, age);

QUESTION 37
Given the code fragment:

Which code fragment, when inserted at line n1, enables the code to print Java Programming:1?

 System.out.println(name + “:” + count);

 System.out.println(c.name + “:” + count);

 System.out.println(c.name + “:” + Course.count);

 System.out.println(Course.name + “:” + c.count);

QUESTION 38
Given the code fragment:

Which code fragment can be inserted at line n1 to enable the code to compile?

 new int num[];

 int[] num;

 int[10] num;

 int num[10];

QUESTION 39
Given the code fragment:

What is the result?

 2

 4

 The program executes an infinite number of times.

 3

QUESTION 40
Given:

Which statement, when inserted at line n1, enables the Course class to compile?

 int newFee;

 double newFee;

 long newFee;

 float newFee;

QUESTION 41
What is the meaning of “write once, run anywhere” in Java?

 Java programs are designed to run only in web browsers and, thus, can run wherever there is a browser.

 It is a marketing statement because Java programs must be compiled for a specific platform in order to run.

 Java programs can run on any Java Virtual Machine without being recompiled.

 Java programs, after being compiled, can run on any platform or device even without a Java Virtual Machine.

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