[2022] 1Z0-819.pdf – Questions Answers PDF Sample Questions Reliable [Q129-Q144]

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[2022] 1Z0-819.pdf – Questions Answers PDF Sample Questions Reliable

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How much Java SE 11 Developer Exam Number: 1Z0-819 costs

Examination Fees: $250 USD
Types of questions: Performance Based Questions
No. of Questions: 60 Questions
Examination Name: Java SE 11 Developer Exam Number: 1Z0-819
Length of Exam: 85 min

NO.129 Given:

What is the result?

NullPointerException is thrown at line 4.

NullPointerException is thrown at line 10.

A compilation error occurs.

Hello

NO.130 Given this enum declaration:

Examine this code:
System.out.println(Letter.values()[1]);
What code should be written at line 5 for this code to print 200?

public String toString() { return String.valueOf(ALPHA.v); }

public String toString() { return String.valueOf(Letter.values()[1]); }

public String toString() { return String.valueOf(v); }

String toString() { return “200”; }

NO.131 Given:

executed using this command:
java Myclass My Car is red
What is the output of this class?

Car–red–My

My–Car–is

My–is–java

java–Myclass–My

Myclass–Car–red

NO.132 Given:

What prevents this code from compiling?

The calculateSurfaceAreamethod within Cylinder must be declared default.

Cylinderis not properly calling the Rectangle and Ellipseinterfaces’ calculateSurfaceArea methods.

Cylinderrequires an implementation of calculateSurfaceAreawith two parameters.

The calculateSurfaceAreamethod within Rectangle and Ellipserequires a publicaccess modifier.

NO.133 Given:

What is the result?

WorkingUnknown

Unknown

TuesdayUnknown

The compilation fails.

Tuesday

Working

NO.134 Given:

What is the result?

nothing

It fails to compile.

A java.lang.IllegalArgumentException is thrown.

NO.135 Given:

Which code, when inserted at one or more marked positions, would allow classes B and C to compile?

@Override // position 3void x () {} // position 3@Override // position 3public void z() { } // position 3

@Override // position 2public void z() { } // position 3

implements A // position 1@Override // position 2

public void z() { } // position 3

NO.136 Given:

You want to obtain the Stream object on reading the file. Which code inserted on line 1 will accomplish this?

var lines = Files.lines(Paths.get(INPUT_FILE_NAME));

Stream lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));

var lines = Files.readAllLines(Paths.get(INPUT_FILE_NAME));

Stream<String> lines = Files.lines(INPUT_FILE_NAME);

NO.137 Given:

What is the result?

The compilation fails.

Y@<< hashcode>>

Null

NO.138 Which is a proper JDBC URL?

jdbe.mysql.com://localhost:3306/database

http://localhost.mysql.com:3306/database

http://localhost
mysql.jdbc:3306/database

jdbc:mysql://localhost:3306/database

NO.139 Given:

What is the result?

2134

234

2341

214

NO.140 Given:

and:

Which code, when inserted on line 10, prints the number of unique localities from the roster list?

.map(Employee::getLocality)
.distinct()
.count();

map(e > e.getLocality())
.count();

.map(e > e.getLocality())
.collect(Collectors.toSet())
.count();

.filter(Employee::getLocality)
.distinct()
.count();

NO.141 Given the code fragment:

What is the result?

-1 : 2

2 : -1

2 : 3

3 : 0

NO.142 Given:

What is the expected result of javac?

javac fails to compile the class and prints the error message, C:workspace4Mycar.java:1:error: package java does not exist

javac compiles Mycar.java without errors or warnings.

javac fails to compile the class and prints the error message, C:workspace4Mycar.java:1:error: expected import java.lang

javac fails to compile the class and prints the error message, Error: Could not find or load main class Mycar.class

NO.143 Given:

Which three classes successfully override printOne()? (Choose three.)

Option A

Option B

Option C

Option D

Option E

Option F

NO.144 Given:

What is the result?

2,34,34,5

2,34,54,5

2,54,54,5

2,34,54,3

Loading …

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[2022] 1Z0-819.pdf – Questions Answers PDF Sample Questions Reliable [Q129-Q144]

[2022] 1Z0-819.pdf – Questions Answers PDF Sample Questions Reliable [Q129-Q144]

How much Java SE 11 Developer Exam Number: 1Z0-819 costs

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