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[General] 高品質的1z1-809 PDF題庫，高質量的考試題庫幫助妳壹次性通過1z1-809考試

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【General】 高品質的1z1-809 PDF題庫，高質量的考試題庫幫助妳壹次性通過1z1-809考試

Posted at yesterday 22:27      View：4 | Replies：0        Print      Only Author   [Copy Link] 1#
我們都清楚的知道，在IT行業的主要問題是缺乏一個品質和實用性。我們的Fast2test Oracle的1z1-809考古題及答案為你準備了你需要的一切的考試培訓資料，和實際認證考試一樣，選擇題（多選題）有效的幫助你通過考試。我們Fast2test Oracle的1z1-809的考試培訓資料，是核實了的考試資料，這些問題和答案反應了我們Fast2test的專業性及實際經驗。
Oracle 1z1-809（Java SE 8程式設計師II）認證考試評估您在Java開發方面的熟練程度。這是適合經驗豐富的Java開發人員的考試，他們已經通過了1z0-808（Java SE 8程式設計師I）認證考試。由於Java SE 8是最廣泛使用的Java開發套件（JDK）版本，此考試是Java專家展示他們的熟練程度並驗證Java編程技能的寶貴機會。
1z1-809證照指南 & 1z1-809考題在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。
為了準備考試，考生需要對Java SE 8功能及其應用有很好的理解。他們還應熟悉Java開發工具和框架，例如Eclipse，Maven和Spring。有許多資源可幫助考生準備考試，包括在線課程，學習指南，練習測試和論壇。
最新的 Java SE 1z1-809 免費考試真題 (Q123-Q128):問題 #123
Given the structure of the EHF and DEPT tables:

Given the code fragment:

What is the result?
  • A. The code prints only the first record of the EM? table.
  • B. The code prints all of the records in the EM? table but not with the respective department names.
  • C. The code prints all of the records in the EMP table along with the respective department names.
  • D. The code throws a syntax error at ResultSet because the semicolon ( is missing.
答案：B

問題 #124
Given the code fragment:

What is the result?
  • A. A compilation error occurs at line n1.
  • B. A compilation error occurs at line n2.
  • C. The code reads the password without echoing characters on the console.
  • D. A compilation error occurs because the IOException isn't declared to be thrown or caught?
答案：A

問題 #125
Given:
final class Folder {//line n1
//line n2
public void open () {
System.out.print("Open");
}
}
public class Test {
public static void main (String [] args) throws Exception {
try (Folder f = new Folder()) {
f.open();
}
}
}
Which two modifications enable the code to print Open Close?
  • A. Replace line n1 with:
    class Folder implements AutoCloseable {
  • B. Replace line n1 with:
    class Folder extends Closeable {
  • C. Replace line n1 with:
    class Folder extends Exception {
  • D. At line n2, insert:
    public void close () throws IOException {
    System.out.print("Close");
    }
  • E. At line n2, insert:
    final void close () {
    System.out.print("Close");
    }
答案：A,D

問題 #126
Given the code fragments:
public class Book implements Comparator<Book> {
String name;
double price;
public Book () {}
public Book(String name, double price) {
this.name = name;
this.price = price;
}
public int compare(Book b1, Book b2) {
return b1.name.compareTo(b2.name);
}
public String toString() {
return name + ":" + price;
}
}
and
List<Book>books = Arrays.asList (new Book ("Beginning with Java", 2), new book ("A
Guide to Java Tour", 3));
Collections.sort(books, new Book());
System.out.print(books);
What is the result?
  • A. An Exception is thrown at run time.
  • B. [A Guide to Java Tour:3, Beginning with Java:2]
  • C. [Beginning with Java:2, A Guide to Java Tour:3]
  • D. A compilation error occurs because the Book class does not override the abstract method compareTo().
答案：B

問題 #127
Which statement is true about the single abstract method of the java.util.function.Function interface?
  • A. It accepts one argument and always produces a result of the same type as the argument.
  • B. It accepts an argument and produces a result of any data type.
  • C. It accepts one argument and returns boolean.
  • D. It accepts one argument and returns void.
答案：B
解題說明：
http://winterbe.com/posts/2014/03/16/java-8-tutorial/ (functions)

問題 #128
......
1z1-809證照指南: https://tw.fast2test.com/1z1-809-premium-file.html
https://www.braindumpstudy.com
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