Obtain the 1z1-819 PDF Dumps Get 100% Outcomes Exam Questions For You To Pass [Q41-Q59]

NEW QUESTION 41
Given:

Which is true?

The compilation fails due to an error in line 6.

The compilation succeeds.

The compilation fails due to an error in line 4.

The compilation fails due to an error in line 10.

The compilation fails due to an error in line 7.

The compilation fails due to an error in line 9.

The compilation fails due to an error in line 2.

NEW QUESTION 42
Given the code fragment:

What is the result?

false true true

true false false

false false true

false true false

NEW QUESTION 43
Given:

Assume the file on path does not exist. What is the result?

The compilation fails.

/u01/work/filestore.txt is not deleted.

Exception

/u01/work/filestore.txt is deleted.

NEW QUESTION 44
Which two statements correctly describe capabilities of interfaces and abstract classes? (Choose two.)

Interfaces cannot have protected methods but abstract classes can.

Both interfaces and abstract classes can have final methods.

Interfaces cannot have instance fields but abstract classes can.

Interfaces cannot have static methods but abstract classes can.

Interfaces cannot have methods with bodies but abstract classes can.

NEW QUESTION 45
Given:

A) An exception is thrown at run time.
B)

C) The compilation fails due to an error on line 2.
D) The compilation fails due to an error on line 1.
E)

F)
The compilation fails due to an error on line 3.

Option A

Option B

Option C

Option D

Option E

Option F

NEW QUESTION 46
Given:

What is the result?

The compilation fails at line 9.

The compilation fails at line 2.

Hello World

The compilation fails at line 8.

NEW QUESTION 47
Given:

This code results in a compilation error.
Which code should be inserted on line 1 for a successful compilation?

Consumer consumer = msg -> { return System.out.print(msg); };

Consumer consumer = var arg -> {System.out.print(arg);};

Consumer consumer = (String args) -> System.out.print(args);

Consumer consumer = System.out::print;

NEW QUESTION 48
Given:
/code/a/Test.java
containing:

and
/code/b/Best.java
containing:
package b;
public class Best { }
Which is the valid way to generate bytecode for all classes?

java /code/a/Test.java

javac -d /code /code/a/Test

java /code/a/Test.java /code/b/Best.java

java -cp /code a.Test

javac -d /code /code/a/Test.java /code/b/Best.java

javac -d /code /code/a/Test.java

NEW QUESTION 49
Given:

What must be added in line 1 to compile this class?

catch(IOException e) { }

catch(FileNotFoundException | IndexOutOfBoundsException e) { }

catch(FileNotFoundException | IOException e) { }

catch(IndexOutOfBoundsException e) { }catch(FileNotFoundException e) { }

catch(FileNotFoundException e) { }catch(IndexOutOfBoundsException e) { }

NEW QUESTION 50
Examine these module declarations:

Which two statements are correct? (Choose two.)

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.

NEW QUESTION 51
Which two commands are used to identify class and module dependencies? (Choose two.)

jmod describe

java Hello.java

jdeps –list-deps

jar –show-module-resolution

java –show-module-resolution

NEW QUESTION 52
Given:

What is required to make the Foo class thread safe?

No change is required.

Make the declaration of lock static.

Replace the lock constructor call with new ReentrantLock (true).

Move the declaration of lock inside the foo method.

NEW QUESTION 53
Given:

Which two lines inserted in line 1 will allow this code to compile? (Choose two.)

protected void walk(){}

void walk(){}

abstract void walk();

private void walk(){}

public abstract void walk();

NEW QUESTION 54
Given these two classes:

And given this fragment:

Which describes the fragment?

It throws IllegalMonitorStateException.

It is subject to deadlock.

It is subject to livelock.

The code does not compile.

NEW QUESTION 55
Given the code fragment:

What is the result?

-1 : 2

2 : -1

2 : 3

3 : 0

NEW QUESTION 56
Given:

Which two statements are true if the method is added to Bar? (Choose two.)

public Collection<String> foo(Collection<String> arg) { … } overrides Foo.foo.

public <T> Collection<T> foo(Stream<T> arg) { … } overloads Foo.foo.

public <T> List<T> foo(Collection<T> arg) { … } overrides Foo.foo.

public <T> Collection<T> foo(Collection<T> arg) { … } overloads Foo.foo.

public <T> Collection<T> bar(Collection<T> arg) { … } overloads Foo.foo.

public <T> Iterable<T> foo(Collection<T> arg) { … } overrides Foo.foo.

NEW QUESTION 57
Given:

Assuming that this code compiles correctly, which three statements are true? (Choose three.)

B cannot be abstract.

B is a subtype of A.

A cannot be abstract.

A cannot be final.

B cannot be final.

A is a subtype of B.

NEW QUESTION 58
Given:

Which two allow a.Main to allocate a new Person? (Choose two.)

In Line 1, change the access modifier to privateprivate Person() {

In Line 1, change the access modifier to publicpublic Person() {

In Line 2, add extends Person to the Main classpublic class Main extends Person {and change Line 3 to create a new Main objectPerson person = new Main();

In Line 2, change the access modifier to protectedprotected class Main {

In Line 1, remove the access modifierPerson() {

NEW QUESTION 59
Given:

What is the type of x?

char

List<Character>

String

List<String>

Obtain the 1z1-819 PDF Dumps Get 100% Outcomes Exam Questions For You To Pass [Q41-Q59]

Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819

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Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819