Pass Authentic Oracle 1Z0-819 with Free Practice Tests and Exam Dumps [Q32-Q55]

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Pass Authentic Oracle 1Z0-819 with Free Practice Tests and Exam Dumps

New 1Z0-819 Exam Questions Real Oracle Dumps

NEW QUESTION 32
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

NEW QUESTION 33
Given:

Which one is correct?

An IllegalThreadStateException is thrown at run time.

Three threads are created.

The compilation fails.

Four threads are created.

NEW QUESTION 34
Given:

What is the result?

The compilation fails due to an error in line 1.

NEW QUESTION 35
Given:

What is the result?

The compilation fails due to an error in line 4.

The compilation fails due to an error in line 3.

The compilation fails due to an error in line 2.

The compilation fails due to an error in line 1.

The compilation fails due to an error in line 5.

NEW QUESTION 36
Given:
Path p1 = Paths.get(“/scratch/exam/topsecret/answers”);
Path p2 = Paths.get(“/scratch/exam/answers/temp.txt”);
Path p3 = Paths.get(“/scratch/answers/topsecret”);
Which two statements print ……answerstopsecret? (Choose two.)

System.out.print(p3.relativize(p1));

System.out.print(p2.relativize(p3));

System.out.print(p1.relativize(p3));

System.out.print(p3.relativize(p2));

System.out.print(p1.relativize(p2));

System.out.print(p2.relativize(p1));

NEW QUESTION 37
Given:
List<String> longlist = List.of(“Hello”,”World”,”Beat”);
List<String> shortlist = new ArrayList<>();
Which code fragment correctly forms a short list of words containing the letter “e”?

Option A

Option B

Option C

Option D

NEW QUESTION 38
Which method throws an exception for not-a-number and infinite input values?
A)

B)

C)

D)

Option A

Option B

Option C

Option D

NEW QUESTION 39
Given the code fragment:

What is the result?

false true true

true false false

false false true

false true false

NEW QUESTION 40
Given:

What is true?

A NoSuchElementExceptionis thrown at run time.

The compilation fails.

This should print the same result each time the program runs.

This may not print the same result each time the program runs.

NEW QUESTION 41
Given the code fragment:

How many lines of text does this program print?

four

one

three

two

NEW QUESTION 42
Given:

and
checkQuality(QUALITY.A);
and

Which code fragment can be inserted into the switch statement to print Best?

QUALITY.A.ValueOf()

A.toString()

QUALITY.A

NEW QUESTION 43
Given:

What is the result?

nothing

0 4 9

NEW QUESTION 44
Given:

Which two methods facilitate valid ways to read instance fields? (Choose two.)

getTCount

getACount

getTotalCount

getCCount

getGCount

NEW QUESTION 45
Given:

What is the result?

nothing

It fails to compile.

A java.lang.IllegalArgumentException is thrown.

NEW QUESTION 46
Given:

When run and all three files exist, what is the state of each reader on Line 1?

All three readers are still open.

All three readers have been closed.

The compilation fails.

Only reader1 has been closed.

NEW QUESTION 47
Which statement about access modifiers is correct?

An instance variable can be declared with the static modifier.

A local variable can be declared with the final modifier.

An abstract method can be declared with the private modifier.

An inner class cannot be declared with the public modifier.

An interface can be declared with the protected modifier.

NEW QUESTION 48
Given:

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

B)

C)

Option A

Option B

Option C

NEW QUESTION 49
Given the formula to calculate a monthly mortgage payment:

and these declarations:

How can you code the formula?

m = p * (r * Math.pow(1 + r, n) / (Math.pow(1 + r, n) – 1));

m = p * ((r * Math.pow(1 + r, n) / (Math.pow(1 + r, n)) – 1));

m = p * r * Math.pow(1 + r, n) / Math.pow(1 + r, n) – 1;

m = p * (r * Math.pow(1 + r, n) / Math.pow(1 + r, n) – 1);

NEW QUESTION 50
Given:

Which would cause s to be AQCD?

s.replace(s.indexOf(“A”), s.indexOf(“C”), “Q”);

s.replace(s.indexOf(“B”), s.indexOf(“C”), “Q”);

s.replace(s.indexOf(“B”), s.indexOf(“B”), “Q”);

s.replace(s.indexOf(“A”), s.indexOf(“B”), “Q”);

NEW QUESTION 51
Given:

Which would cause s to be AQCD?

s.replace(s.indexOf(“A”), s.indexOf(“C”), “Q”);

s.replace(s.indexOf(“B”), s.indexOf(“C”), “Q”);

s.replace(s.indexOf(“B”), s.indexOf(“B”), “Q”);

s.replace(s.indexOf(“A”), s.indexOf(“B”), “Q”);

NEW QUESTION 52
Given:

executed with this command:
java Main one two three
What is the result?

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.

NEW QUESTION 53
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 54
Given:

What is the result?

The compilation fails.

1.99,2.99,0

1.99,2.99,0.0

1.99,2.99

NEW QUESTION 55
Given:
Automobile.java

Car.java

What must you do so that the code prints 4?

Remove the parameter from wheels method in line 3.

Add @Override annotation in line 2.

Replace the code in line 2 with Car ob = new Car();

Remove abstract keyword in line 1.

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Pass Authentic Oracle 1Z0-819 with Free Practice Tests and Exam Dumps [Q32-Q55]

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