Free Oracle 1Z0-819 Exam Dumps and 1Z0-819 Exam Questions

Question No: 1

MultipleChoice

Given:

executed using command:

java Hello ''Hello World'' Hello World

What is the output?

Options

AAn exception is thrown at runtime.

BHello WorldHello World

CHello World Hello World

DHello WorldHelloWorld

EHelloHello WorldHelloWorld

Question No: 2

MultipleChoice

Given the code fragment:

Which ''for'' loop produces the same output?

Options

AOption A

BOption B

COption C

DOption D

Question No: 3

MultipleChoice

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?

Options

AString result = fruits.stream().filter(f > f.contains(''n'')).findAny();

Bfruits.stream().filter(f > f.contains(''n'')).forEachOrdered(System.out::print);

COptional<String> result = fruits.stream().filter(f > f.contains (''n'')).findFirst ();

DOptional<String> result = fruits.stream().anyMatch(f > f.contains(''n''));

Question No: 4

MultipleChoice

Given:

String originalPath = ''data\\projects\\a-project\\..\\..\\another-project'';

Path path = Paths.get(originalPath);

System.out.print(path.normalize());

What is the result?

Options

Adata\another-project

Bdata\projects\a-project\another-project

Cdata\\projects\\a-project\\..\\..\\another-project

Ddata\projects\a-project\..\..\another-project

Question No: 5

MultipleChoice

Given:

List longlist = List.of(''Hello'',''World'',''Beat'');

List shortlist = new ArrayList<>();

Which code fragment correctly forms a short list of words containing the letter ''e''?

Options

AOption A

BOption B

COption C

DOption D

Question No: 6

MultipleChoice

Given:

jdeps -jdkinternals C:\workspace4\SimpleSecurity\jar\classes.jar

Which describes the expected output?

Options

Ajdeps lists the module dependencies and the package names of all referenced JDK internal APIs. If any are found, the suggested replacements are output in the console.

Bjdeps outputs an error message that the -jdkinternals option requires either the -summary or the - verbose options to output to the console.

CThe -jdkinternals option analyzes all classes in the .jar and prints all class-level dependencies.

DThe -jdkinternals option analyzes all classes in the .jar for class-level dependencies on JDK internal APIs. If any are found, the results with suggested replacements are output in the console.