Latest Oct 06, 2022 Real 1z0-809 Exam Dumps Questions Valid 1z0-809 Dumps PDF [Q30-Q45]

QUESTION 30
Which statement is true about java.time.Duration?

QUESTION 31
Which two statements are true about synchronization and locks? (Choose two.)

QUESTION 32
Given:

What is the result?

QUESTION 33
You have been asked to create a ResourceBundle which uses a properties file to localize an application.
Which code example specifies valid keys of menu1 and menu2 with values of File Menu and View Menu?

QUESTION 34
Given the code fragment:

What is the result?

QUESTION 35
Given the records from the STUDENTtable:

Given the code fragment:

Assume that the URL, username,and passwordare valid.
What is the result?

QUESTION 36
Given the following code for the classes MyException and Test:

What is the result?

QUESTION 37
You are asked to create a method that accepts an array of integers and returns the highest value from that array.
Given the code fragment:

Which method signature do you use at line n1?

QUESTION 38
Given the code fragment:
List<Integer> list1 = Arrays.asList(10, 20);
List<Integer> list2 = Arrays.asList(15, 30);
//line n1
Which code fragment, when inserted at line n1, prints 10 20 15 30?

QUESTION 39
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?

QUESTION 40
Given:
public class Emp {
String fName;
String lName;
public Emp (String fn, String ln) {
fName = fn;
lName = ln;
}
public String getfName() { return fName; }
public String getlName() { return lName; }
}
and the code fragment:
List<Emp> emp = Arrays.asList (
new Emp (“John”, “Smith”),
new Emp (“Peter”, “Sam”),
new Emp (“Thomas”, “Wale”));
emp.stream()
//line n1
.collect(Collectors.toList());
Which code fragment, when inserted at line n1, sorts the employees list in descending order of fName and then ascending order of lName?

QUESTION 41
Given the code fragment:
public static void main (String [ ] args) throws IOException {
BufferedReader br = new BufferedReader (new InputStremReader (System.in)); System.out.print (“Enter GDP: “);
//line 1
}
Which code fragment, when inserted at line 1, enables the code to read the GDP from the user?

QUESTION 42
Given:
1 . abstract class Shape {
2 . Shape ( ) { System.out.println (“Shape”); }
3 . protected void area ( ) { System.out.println (“Shape”); }
4 . }
5 .
6 . class Square extends Shape {
7 . int side;
8 . Square int side {
9 . /* insert code here */
1 0. this.side = side;
1 1. }
1 2. public void area ( ) { System.out.println (“Square”); }
1 3. }
1 4. class Rectangle extends Square {
1 5. int len, br;
1 6. Rectangle (int x, int y) {
1 7. /* insert code here */
1 8. len = x, br = y;
1 9. }
2 0. void area ( ) { System.out.println (“Rectangle”); }
2 1. }
Which two modifications enable the code to compile? (Choose two.)

QUESTION 43
Given the code fragment:

What is the result?

QUESTION 44
The following grid shows the state of a 2D array:

This grid is created with the following code:

Which line of code, when inserted in place of //line n1. adds an x into the grid so that the grid contains three consecutive X’S?

QUESTION 45
Given the code fragment:

You have been asked to define the ProductCode class. The definition of the ProductCode class must allow c1
instantiation to succeed and cause a compilation error on c2 instantiation.
Which definition of ProductCode meets the requirement?