Free Oracle 1z0-809 Exam Dumps Questions & Answers

Given:

and the code fragment:

Assuming candlist contains Candidate objects, which code fragment calculates the average age of candidates from NewYork?

• A. 
• B. 
• C. 
• D. 

Given:
public class Canvas implements Drawable {
public void draw () { }
}
public abstract class Board extends Canvas { }
public class Paper extends Canvas {
protected void draw (int color) { }
}
public class Frame extends Canvas implements Drawable {
public void resize () { }
abstract void open ();
}
public interface Drawable {
public abstract void draw ();
}
Which statement is true?

• A.  Frame does not compile.
• B.  Drawable does not compile.
• C.  Paper does not compile.
• D.  All classes compile successfully.
• E.  Board does not compile.

Given the code fragment:

and the information:
* The required database driver is configured in the classpath.
* The appropriate database is accessible with the dbURL, username, and passWord exists.
What is the result?

• A.  A SQLException is thrown at runtime.
• B.  The program prints Connection Established.
• C.  The program prints nothing.
• D.  A ClassNotFoundException is thrown at runtime.

Given the code fragment:
UnaryOperator<Integer> uo1 = s -> s*2;line n1
List<Double> 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 n2.
• D.  A compilation error occurs at line n1.

Given the code fragment:
List<String> nL = Arrays.asList("Jim", "John", "Jeff");
Function<String, String> funVal = s -> "Hello : ".concat(s);
nL.Stream()
.map(funVal)
.forEach(s-> System.out.print (s));
What is the result?

• A.  A compilation error occurs.
• B.  Hello : Jim Hello : John Hello : Jeff
• C.  Jim John Jeff
• D.  The program prints nothing.