Oracle 1Z0-809 – Verified Dumps PDF and Exam Questions for Success

Oracle 1Z0-809 Exam Dumps

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Number Of Questions: 196

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Exam Details

Exam Name:

Java SE 8 Programmer II

Exam Code:

1Z0-809

Total Questions in Exam:

196

Demo Questions

Q1. Which two are elements of a singleton class? (Choose two.)

A.a transient reference to point to the single instance

B. a public method to instantiate the single instance

C. a public static method to return a copy of the singleton reference

D. a private constructor to the class

E. a public reference to point to the single instance

Answer

Correct Answer: B, D

Q2. Given the code fragment: UnaryOperator uo1 = s -> s*2;line n1 List loanValues = Arrays.asList(1000.0, 2000.0); loanValues.stream() .filter(lv -> lv >= 1500) .map(lv -> uo1.apply(lv)) .forEach(s -> System.out.print(s + '' '')); What is the result?

A.4000.0

B. 4000

C. A compilation error occurs at line n1.

D. A compilation error occurs at line n2.

Answer

Correct Answer: D

Q3. Given the code fragment: List str = Arrays.asList (''my'', ''pen'', ''is'', ''your', ''pen''); Predicate test = s -> { int i = 0; boolean result = s.contains (''pen''); System.out.print(i++) + '':''); return result; }; str.stream() .filter(test) .findFirst() .ifPresent(System.out ::print); What is the result?

A.0 : 0 : pen

B. 0 : 1 : pen

C. 0 : 0 : 0 : 0 : 0 : pen

D. 0 : 1 : 2 : 3 : 4 :

E. A compilation error occurs.

Answer

Correct Answer: A

Q4. What is true about the jav a.sql.Statement interface?

A.It provides a session with the database.

B. It is used to get an instance of a Connection object by using JDBC drivers.

C. It provides a cursor to fetch the resulting data.

D. It provides a class for executing SQL statements and returning the results.

Answer

Correct Answer: D

Answer

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Oracle 1Z0-809 Exam Dumps

Certification Exams

Downloadable PDF versions

100% Confidential

Updated Regularly

Advanced Features

Number Of Questions: 196

Exam Details

Demo Questions

Q1. Which two are elements of a singleton class? (Choose two.)

A.a transient reference to point to the single instance

B. a public method to instantiate the single instance

C. a public static method to return a copy of the singleton reference

D. a private constructor to the class

E. a public reference to point to the single instance

Q2. Given the code fragment: UnaryOperator uo1 = s -> s*2;line n1 List loanValues = Arrays.asList(1000.0, 2000.0); loanValues.stream() .filter(lv -> lv >= 1500) .map(lv -> uo1.apply(lv)) .forEach(s -> System.out.print(s + '' '')); What is the result?

A.4000.0

B. 4000

C. A compilation error occurs at line n1.

D. A compilation error occurs at line n2.

A.0 : 0 : pen

B. 0 : 1 : pen

C. 0 : 0 : 0 : 0 : 0 : pen

D. 0 : 1 : 2 : 3 : 4 :

E. A compilation error occurs.

Q4. What is true about the jav a.sql.Statement interface?

A.It provides a session with the database.

B. It is used to get an instance of a Connection object by using JDBC drivers.

C. It provides a cursor to fetch the resulting data.

D. It provides a class for executing SQL statements and returning the results.

Reviews

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