Obtain the 1z1-819 PDF Dumps Get 100% Outcomes Exam Questions For You To Pass [Q62-Q84] : Top Exam Collection : http://blog.topexamcollection.com

NR. 62 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();

NR. 63 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;

NO.64 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.

NR. 65 Given:

You want to implement the java. Io, serializable interface to the MypersisteneData class.
Which method should be overriden?

The readExternal and writeExternal method

The readExternal method

The writeExternal method

nothing

NR. 66 Given:

Was ist das Ergebnis?

2134

234

2341

214

NO.67 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

NR. 68 Given:

What code must you insert on Line 1 to enable the code to print Hello world?

Hello.Greeting myG = new Hello.Greeting() myG.sayHi();

Hello myH = new Hello();
Hello.Greeting myG = myH.new Greeting();
myG.sayHi();

Hello myH = new Hello();
Hello.Greeting myG = myH.new Hello.Greeting();
myG.sayHi();

Hello myH = new Hello(); Greeting myG = new Greeting(); myG.sayHi ();

NR. 69 Given:

Was ist das Ergebnis?

3 5 3 3

3 3 3 3

3 5 3 5

5 5 3 3

NR. 70 Given:

What is the output?

null

A NoSuchElementException is thrown at run time.

Duke

A NullPointerException is thrown at run time.

NR. 71 Given:

What is the output?

A compilation error is thrown.

Message from Copier: Attempt00

Message from Abstract Copier: Attempt00

A runtime error is thrown.

NR. 72 Given:

Was ist das Ergebnis?

2134

234

2341

214

NR. 73 Given:

You wants to make the reduction operation parallelized.
Which two modifications will accomplish this?

Replace line 1 with int sum = numbers. Stream (). Interate (0, a -> a+1. Reduce (0, (n m) -> n+m);

Replace line 1with int sum = numbers. ParallelStream ( ). Reduce (0, (n, m ) -> n + m);

Replace line 1 with int sum = numbers. Parallel ( ). Stream ( ). Reduce (0, (n, m ) -> n + m);

Replace line 1with int sum = number. Stream ( ) . flatMap (a -> a) .reduce (0, (n, m) -> n +m );

Replace line 1with int sum = number.stream. parallel ( ). Reduce (0, (n, m) -> n + m);

NO.74 Given:

Which two independent changes will make the Main class compile? (Choose two.)

Move the entire Student class declaration to a separate Java file, Student.java.

Change line 2 to public Student(String classname).

Change line 1 to public class Student {.

Change line 3 to Student student = new Student(“Biology”);.

Change line 1 to static class Student {.

NO.75 Given:

Was ist das Ergebnis?

NullPointerException is thrown at line 4.

NullPointerException is thrown at line 10.

A compilation error occurs.

Hello

NR. 76 Given:

What is the output?

null

A NoSuchElementException is thrown at run time.

Duke

A NullPointerException is thrown at run time.

NR. 77 Given:

Was ist das Ergebnis?

nothing

0 4 9

NO.78 Given the code fragment:

Which code fragment replaces the for statement?

IntStream.rangeClosed(l, 100).map(FizzBuzz::convert).forEach(System.out::println);

IntStream.ranged, 100).map(FizzBuzz::convert).forEach(System.out::println);

intstream.rangeclosed(l, 100).mapToObj{FizzBuzz::convert).forEach(System.out::printIn);

IntStream.range(1, 100).mapToObj(FizzBuzz::convert).forEach(System.out::println);

NO.79 Given:

Was ist das Ergebnis?

The compilation fails.

Y@<< hashcode>>

Null

NO.80 Given the code fragment:

Was ist das Ergebnis?
A)

B)

C)

D)

Option A

Option B

Option C

Option D

NR. 81 Given:

executed with this command:
java Main one two three
Was ist das Ergebnis?

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.

NR. 82 Given:

Which option should you choose to enable the code to print Something happened?

Add extends GeneralException on line 1.
Add extends Exception on line 2.

Add extends SpecificException on line 1.
Add extends GeneralException on line 2.

Add extends Exception on line 1.
Add extends Exception on line 2.

Add extends Exception on line 1.
Add extends GeneralException on line 2.

NR. 83 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

NR. 84 Given:

Which two interfaces can be used in lambda expressions? (Choose two.)

MyInterface4

MyInterface5

MyInterface1

MyInterface3

MyInterface2

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