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How Oracle 1z0-809 PDF Dumps is essential on your 1z0-809 Exam Questions Certain

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How Oracle 1z0-809 PDF Dumps is essential on your 1z0-809 Exam Questions Certain

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Oracle Java SE 8 Programmer II Sample Questions (Q76-Q81):NEW QUESTION # 76
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. Moveablecan be used as below:
    Moveable<Integer> animal = n - > n + 10;
    animal.run(100);
    animal.walk(20);
  • B. Moveablecan be used as below:
    Moveable<Integer> animal = n - > System.out.println("Running" + n);
    animal.run(100);
    animal.walk(20);
  • C. Moveablecan be used as below:
    Moveable animal = (Integer n) - > System.out.println(n);
    animal.run(100);
    Moveable.walk(20);
  • D. Movablecannot be used in a lambda expression.
Answer: A

NEW QUESTION # 77
Given the code fragment:

What is the result?
  • A. Java EEJava SE
  • B. Java EEJava EESE
  • C. The program prints either:
    Java EEJava SE
    or
    Java SEJava EE
  • D. Java EESE
Answer: A

NEW QUESTION # 78
Given the code fragment:
Path path1 = Paths.get("/app/./sys/");
Path res1 = path1.resolve("log");
Path path2 = Paths.get("/server/exe/");
Path res1 = path1.resolve("/readme/");
System.out.println(res1);
System.out.println(res2);
What is the result?
  • A. /app/./sys/log
    / server/exe/readme
  • B. /app/log/sys
    / server/exe/readme
  • C. /app/sys/log
    /readme/server/exe
  • D. /app/./sys/log
    / readme
Answer: A

NEW QUESTION # 79
Given:
class Worker extends Thread {
CyclicBarrier cb;
public Worker(CyclicBarrier cb) { this.cb = cb; }
public void run () {
try {
cb.await();
System.out.println("Worker...");
} catch (Exception ex) { }
}
}
class Master implements Runnable { //line n1
public void run () {
System.out.println("Master...");
}
}
and the code fragment:
Master master = new Master();
//line n2
Worker worker = new Worker(cb);
worker.start();
You have been asked to ensure that the runmethods of both the Workerand Masterclasses are executed.
Which modification meets the requirement?
  • A. At line n2, insert CyclicBarrier cb = new CyclicBarrier(1, master);
  • B. At line n2, insert CyclicBarrier cb = new CyclicBarrier(2, master);
  • C. Replace line n1with class Master extends Thread {
  • D. At line n2, insert CyclicBarrier cb = new CyclicBarrier(master);
Answer: A

NEW QUESTION # 80
For which three objects must a vendor provide implementations in its JDBC driver? (Choose three.)
  • A. ResultSet
  • B. Statement
  • C. Time
  • D. Connection
  • E. DriverManager
  • F. SQLException
  • G. Date
Answer: A,B,D
Explanation:
Explanation
Database vendors support JDBC through the JDBC driver interface or through the ODBC connection. Each driver must provide implementations of java.sql.Connection, java.sql.Statement, java.sql.PreparedStatement, java.sql.CallableStatement, and java.sql.Re sultSet. They must also implement the java.sql.Driver interface for use by the generic java.sql.DriverManager interface.

NEW QUESTION # 81
......
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