[Q130-Q153] Get New 2025 Oracle 1Z0-819 Exam Dumps Bundle On flat Updated Dumps!

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新问题 130
Given:
LocalDate d1 = LocalDate.of(1997,2,7);
DateTimeFormatter dtf =
DateTimeFormatter.ofPattern( /*insert code here*/ );
System.out.println(dtf.format (d1));
Which pattern formats the date as Friday 7th of February 1997?

“eeee dd+”th of”+ MMM yyyy”

“eeee dd’th of’ MMM yyyy”

“eeee d+”th of”+ MMMM yyyy”

“eeee d’th of’ MMMM yyyy”

新问题 131
Which line of code results in a compilation error?

line n1

line n3

line n2

line n4

新问题 132
Analyze the code:

Which two options can you insert inside println method to produce Global:namescope? (Choose two.)

Test.prefix+Test.name

new Test().prefix+new Test().name

Test.prefix+Test.getName()

Test.getName+prefix

prefix+Test.name

prefix+name

新问题 133
Given:

It is required that if p instanceof Pair then p.isValid() returns true.
Which is the smallest set of visibility changes to insure this requirement is met?

setLeft and setRight must be protected.

left and right must be private.

isValid must be public.

left, right, setLeft, and setRight must be private.

新问题 134
Given:

Which line of code results in a compilation error?

line n1

line n3

line n2

line n4

新问题 135
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);

新问题 136
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

新问题 137
Given:

What is the output?

300

例外情况

200

100

新问题 138
Given:

Which two lines can replace line 1 so that the Y class compiles? (Choose two.)

map.forEach((k, v) -> set(v)));

set(map.values());

super.set(List<String> map)

super.set(map.values());

set(map)

新问题 139
Examine these module declarations:

哪两个说法是正确的？(请选择两项）。

The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.

The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.

The Consumer module should require the ServiceProvider module.

The ServiceProvider module should export the com.myimpl package.

The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the

com.example.api API.

新问题 140
Given:
var fruits = List.of(“apple”, “orange”, “banana”, “lemon”);
You want to examine the first element that contains the character n. Which statement will accomplish this?

String result = fruits.stream().filter(f -> f.contains(“n”)).findAny();

fruits.stream().filter(f -> f.contains(“n”)).forEachOrdered(System.out::print);

Optional<String> result = fruits.stream().filter(f -> f.contains (“n”)).findFirst ();

Optional<String> result = fruits.stream().anyMatch(f -> f.contains(“n”));

新问题 141
Which two statements are correct about modules in Java? (Choose two.)

java.base exports all of the Java platforms core packages.

module-info.java can be placed in any folder inside module-path.

A module must be declared in module-info.java file.

module-info.java cannot be empty.

By default, modules can access each other as long as they run in the same folder.

新问题 142
Given:

What is the correct definition of the JsonField annotation that makes the Point class compile?

新问题 143
Examine these module declarations:

哪两个说法是正确的？(请选择两项）。

The ServiceProvider module is the only module that, at run time, can provide the com.example.api API.

The placement of the com.example.api API in a separate module, ServiceAPI, makes it easy to install multiple provider modules.

The Consumer module should require the ServiceProvider module.

The ServiceProvider module should export the com.myimpl package.

The ServiceProvider module does not know the identity of a module (such as Consumer) that uses the com.example.api API.

新问题 144
Given:

and the commands:

What is the result on execution of these commands?
Test.class – > java.sql -> java.base

On execution, the jdepscommand displays an error.
Test.class -> java.base

Test.class – > java.sql
Test.class -> java.base

Test.class – > java.sql
java.sql -> java.base

新问题 145
Given the code fragment:

结果如何？

-1

-3

新问题 146
Given:

结果如何？

is it 1

An IndexOutOfBoundsException is thrown at runtime.

is it 0

this is it 2

this is it 3

新问题 147
Given:

和

Which code fragment on line 1 makes the s1 set contain the names of all employees born before January 1, 1989?

方案 A

方案 B

选项 C

选项 D

新问题 148
Given:

Which is true?

The code compiles but does not print any result.

The code prints 25.

The code does not compile.

The code throws an exception at runtime.

新问题 149
Given:

What is the type of x?

char

List<Character>

String

List<String>

新问题 150
Given:

executed with this command:
java Main one two three
结果如何？

0). one

0). one1). two2). three

The compilation fails.

It creates an infinite loop printing:0). one1). two1). two…

A java.lang.NullPointerException is thrown.

新问题 151
Given:

Which two lines of code when inserted in line 1 correctly modifies instance variables? (Choose two.)

setCCount(c) = cCount;

tCount = tCount;

setGCount(g);

cCount = setCCount(c);

aCount = a;

新问题 152
Given the code fragment:

Which can replace line 2?

UnaryOperator u = (int i) -> i * 2;

UnaryOperator u = (var i) -> (i * 2);

UnaryOperator u = var i -> { return i * 2; };

UnaryOperator u = i -> { return i * 2);

新问题 153
Given:

结果如何？

Take extra care

The program prints nothing.

Take extra care
Take extra care

An exception is thrown at runtime

加载中 …

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