1Z0-809權威認證，Oracle 1Z0-809考試大綱 - Java SE 8 Programmer II - Royalholidayclubbed

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Java SE 1z0-809 與其他網站相比，Royalholidayclubbed更得大家的信任。

Oracle的1z0-809 - Java SE 8 Programmer II權威認證考試認證是屬於那些熱門的IT認證，也是雄心勃勃的IT專業人士的夢想，這部分考生需要做好充分的準備，讓他們在1z0-809 - Java SE 8 Programmer II權威認證考試中獲得最高分，使自己的配置檔相容市場需求。考試的大綱有什麼變化，以及考試中可能會出現的新題型，這些內容都包括在了資料中。所以，如果你想參加IT考試，最好利用Royalholidayclubbed的資料。

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我們Royalholidayclubbed的 Oracle的1z0-809權威認證的考題資料是按照相同的教學大綱來來研究的，同時也不斷升級我們的培訓材料，所以我們的考試培訓資料包括試題及答案，和實際的考試相似度非常高，所以形成了我們Royalholidayclubbed的通過率也是非常的高，這也是不可否認的事實，由此知道Royalholidayclubbed Oracle的1z0-809權威認證考試培訓資料對考生的幫助，而且我們的價格絕對合理，適合每位IT認證的考生。

1z0-809 PDF DEMO:

QUESTION NO: 1
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: 2
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: 3
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

QUESTION NO: 4
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: 5
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

目前Oracle的GIAC GCSA認證考試真的是一門人氣很高的考試。所以，只要你好好學習這個考古題，那麼通過Linux Foundation CKAD考試就不再是難題了。 Amazon MLS-C01-KR - 那麼，應該怎麼辦才好呢？沒關係。 Linux Foundation CKA - 这是经过很多人证明过的事实。您是否感興趣想通過Amazon ANS-C01-KR考試，然后開始您的高薪工作？Royalholidayclubbed擁有最新研發的題庫問題及答案，可以幫助數百萬的考生通過Amazon ANS-C01-KR考試并獲得認證。

Updated: May 28, 2022

by RHC.

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