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1Z1-809認證資料 & Oracle Java SE 8 Programmer II權威考題 - Royalholidayclubbed
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在21世紀這個IT行業如此輝煌的時代，競爭是很激烈的。理所當然的，在IT行業中Oracle 1z1-809認證資料認證考試成為了一個很熱門的考試。報名參加考試的人越來越多，並且能通過這個認證考試也是那些雄心勃勃的IT專業人士的夢想。 ”你現在有這樣的心情嗎？不用著急，即使考試時間快到了，也還是有機會可以好好準備考試的。你肯定想問是什麼機會了吧。 Royalholidayclubbed是可以帶你通往成功之路的網站。
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獲得1z1-809認證資料認證是眾多IT人員職業生涯的成功保證，而Royalholidayclubbed網站中的1z1-809認證資料題庫學習資料可以幫助您做到這一點。只要您支付您想要的考古題，您就能馬上得到它，在通眾多使用過本題庫產品的客戶回饋中，證明Oracle 1z1-809認證資料考古題是值得信賴的。1z1-809認證資料題庫可以確保考生順利通過考試，大家還有什么理由不選擇呢？快將1z1-809認證資料考古題加入購物車吧，您絕對不會后悔的！
Oracle 1z1-809認證資料 - 如果你有夢想就去捍衛它。
1z1-809認證資料認證考試是Oracle 的認證考試中分量比較重的一個。但是要通過Oracle 1z1-809認證資料認證考試不是那麼簡單。Royalholidayclubbed為了給正在為1z1-809認證資料認證考試的備考的考生減輕壓力，節約時間和精力，專門研究了多種培訓工具，所以在Royalholidayclubbed你可以選擇適合你的快速培訓方式來通過考試。
你的夢想是什麼？難道你不想在你的職業生涯中做出一番閃耀的成就嗎？肯定是想的吧。那麼，你就需要不斷提升自己，鍛煉自己。
1z1-809 PDF DEMO:
QUESTION NO: 1
Given that course.txt is accessible and contains:
Course : : Java
and given the code fragment:
public static void main (String[ ] args) {
int i;
char c;
try (FileInputStream fis = new FileInputStream ("course.txt");
InputStreamReader isr = new InputStreamReader(fis);) {
while (isr.ready()) { //line n1
isr.skip(2);
i = isr.read ();
c = (char) i;
System.out.print(c);
}
} catch (Exception e) {
e.printStackTrace();
}
}
What is the result?
A. ueJa
B. The program prints nothing.
C. ur :: va
D. A compilation error occurs at line n1.
Answer: A
QUESTION NO: 2
Given the code fragments:
4. void doStuff() throws ArithmeticException, NumberFormatException, Exception {
5. if (Math.random() >-1 throw new Exception ("Try again");
6. }
and
24. try {
25. doStuff ( ):
26. } catch (ArithmeticException | NumberFormatException | Exception e) {
27. System.out.println (e.getMessage()); }
28. catch (Exception e) {
29. System.out.println (e.getMessage()); }
30. }
Which modification enables the code to print Try again?
A. Replace line 27 with:throw e;
B. Comment the lines 28, 29 and 30.
C. Replace line 26 with:} catch (ArithmeticException | NumberFormatException e) {
D. Replace line 26 with:} catch (Exception | ArithmeticException | NumberFormatException e) {
Answer: C
QUESTION NO: 3
Given the code fragments:
class Employee {
Optional<Address> address;
Employee (Optional<Address> address) {
this.address = address;
}
public Optional<Address> getAddress() { return address; }
}
class Address {
String city = "New York";
public String getCity { return city: }
public String toString() {
return city;
}
}
and
Address address = null;
Optional<Address> addrs1 = Optional.ofNullable (address);
Employee e1 = new Employee (addrs1);
String eAddress = (addrs1.isPresent()) ? addrs1.get().getCity() : "City Not available"; What is the result?
A. City Not available
B. null
C. New York
D. A NoSuchElementException is thrown at run time.
Answer: A
QUESTION NO: 4
Given that /green.txt and /colors/yellow.txt are accessible, and the code fragment:
Path source = Paths.get("/green.txt);
Path target = Paths.get("/colors/yellow.txt);
Files.move(source, target, StandardCopyOption.ATOMIC_MOVE);
Files.delete(source);
Which statement is true?
A. A FileAlreadyExistsException is thrown at runtime.
B. The file green.txt is moved to the /colors directory.
C. The yellow.txt file content is replaced by the green.txt file content and an exception is thrown.
D. The green.txt file content is replaced by the yellow.txt file content and the yellow.txt file is deleted.
Answer: A
QUESTION NO: 5
Given:
class Book {
int id;
String name;
public Book (int id, String name) {
this.id = id;
this.name = name;
}
public boolean equals (Object obj) { //line n1
boolean output = false;
Book b = (Book) obj;
if (this.id = = b.id) {
output = true;
}
return output;
}
}
and the code fragment:
Book b1 = new Book (101, "Java Programing");
Book b2 = new Book (102, "Java Programing");
System.out.println (b1.equals(b2)); //line n2
Which statement is true?
A. The program prints true.
B. A compilation error occurs. To ensure successful compilation, replace line n2 with:System.out.println (b1.equals((Object) b2));
C. A compilation error occurs. To ensure successful compilation, replace line n1 with:boolean equals
(Book obj) {
D. The program prints false.
Answer: D
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Updated: May 28, 2022
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