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Oracle 1z0-809 (Java SE 8 Programmer II) exam is designed to test the skills and knowledge of experienced Java developers who have already passed the Oracle 1z0-808 exam. Java SE 8 Programmer II certification exam is intended for developers who have a solid understanding of the Java programming language, its syntax, and its core features.
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Oracle 1z0-809 is an advanced Java certification exam that is designed for professionals who have already passed the Java SE 8 Programmer I exam. Java SE 8 Programmer II certification exam is intended to test the proficiency of professionals in Java programming skills and advanced concepts of Java SE 8. 1z1-809 Exam is a comprehensive evaluation of a candidate's knowledge of Java programming language and its libraries, including topics such as concurrency, I/O, and NIO. 1z1-809 exam has a duration of 150 minutes and consists of 85 multiple-choice questions.
Oracle Java SE 8 Programmer II Sample Questions (Q141-Q146):
NEW QUESTION # 141
Which action can be used to load a database driver by using JDBC3.0?
- A. Include the JDBC driver class in a jdbc.properties file.
- B. Add the driver class to the META-INF/services folder of the JAR file.
- C. Use the java.lang.Class.forName method to load the driver class.
- D. Use the DriverManager.getDriver method to load the driver class.
Answer: D
NEW QUESTION # 142
Given the structure of the Student table:
Student (id INTEGER, name VARCHAR)
Given the records from the STUDENT table:
Given the code fragment:
Assume that:
What is the result?
- A. A SQLException is thrown at runtime.
- B. The program prints Status: true and two records are deleted from the Student table.
- C. The program prints Status: false and two records are deleted from the Student table.
- D. The program prints Status: false but the records from the Student table are not deleted.
Answer: C
NEW QUESTION # 143
Given:
public interface Moveable<Integer> {
public default void walk (Integer distance) {System.out.println("Walking");) public void run(Integer distance);
}
Which statement is true?
- A. Moveable can be used as below:
Moveable animal = (Integer n) - > System.out.println(n);
animal.run(100);
Moveable.walk(20);
- B. Moveable can be used as below:
Moveable<Integer> animal = n - > System.out.println("Running" + n);
animal.run(100);
animal.walk(20);
- C. Moveable can be used as below:
Moveable<Integer> animal = n - > n + 10;
animal.run(100);
animal.walk(20);
- D. Movable cannot be used in a lambda expression.
Answer: B
NEW QUESTION # 144
Given the code fragment:
List<String> colors = Arrays.asList("red", "green", "yellow");
Predicate<String> test = n - > {
System.out.println("Searching...");
return n.contains("red");
};
colors.stream()
. filter(c -> c.length() > 3)
. allMatch(test);
What is the result?
- A. Searching...
Searching...
Searching...
- B. Searching...
Searching...
- C. Searching...
- D. A compilation error occurs.
Answer: D
NEW QUESTION # 145
Given the code fragment:
List<Integer> codes = Arrays.asList (10, 20);
UnaryOperator<Double> uo = s -> s +10.0;
codes.replaceAll(uo);
codes.forEach(c -> System.out.println(c));
What is the result?
- A. A compilation error occurs.
- B. 10 20
- C. A NumberFormatException is thrown at run time.
- D. 20.0
30.0
Answer: D
NEW QUESTION # 146
......
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