Download Java SE 8 Programmer II.1Z0-809.2017-11-10.1e.106q.vcex


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Exam Java SE 8 Programmer II
Number 1z0-809
File Name Java SE 8 Programmer II.1Z0-809.2017-11-10.1e.106q.vcex
Size 7.5 Mb
Posted November 10, 2017
Downloads 108



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Demo Questions

Question 1
Given: 
class RateOfInterest { 
public static void main (String[] args) { 
int rateOfInterest = 0; 
String accountType = "LOAN"; 
switch (accountType) { 
case "RD"; 
rateOfInterest = 5; 
break; 
case "FD"; 
rateOfInterest = 10; 
break; 
default: 
assert false: "No interest for this account"; //line n1 

System.out.println ("Rate of interest:" + rateOfInterest); 


and the command: 
java -ea RateOfInterest 
What is the result? 

  • A: Rate of interest: 0 
  • B: An AssertionError is thrown 
  • C: No interest for this account 
  • D: A compilation error occurs at line n1  



Question 2
Given: 
 
  
What is the result? 

  • A: Marrown 
    String out of limits 
    JesOran 
  • B: Marrown 
    String out of limits 
    Array out of limits 
  • C: Marrown 
    String out of limits 
  • D: Marrown 
    NanRed 
    JesOran 
     



Question 3
Given: 
 
What is the result? 

  • A: 6 7 8 
  • B: 7 8 9 
  • C: 0 1 2 
  • D: 6 8 10 
  • E: Compilation fails  



Question 4
Given: 
public class Foo<K, V> { 
private K key; 
private V value; 
public Foo (K key, V value) (this.key = key; this value = value;) 
public static <T> Foo<T, T> twice (T value) (return new Foo<T, T> (value, value); ) 
public K getKey () (return key;) 
public V getValue () (return value;) 

Which option fails? 

  • A: Foo<String, Integer> mark = new Foo<String, Integer> ("Steve", 100); 
  • B: Foo<String, String> pair = Foo.<String>twice ("Hello World!"); 
  • C: Foo<?, ?> percentage = new Foo <> (97, 32); 
  • D: Foo<String, String> grade = new Foo <> ("John", "A");  



Question 5
Given: 
Item table 
ID, INTEGER: PK 
DESCRIP, VARCHAR(100) 
PRICE, REAL 
QUANTITY< INTEGER 
And given the code fragment: 
9. try { 
10.Connection conn = DriveManager.getConnection(dbURL, username, password); 
11. String query = "Select * FROM Item WHERE ID = 110"; 
12. Statement stmt = conn.createStatement(); 
13. ResultSet rs = stmt.executeQuery(query); 
14.while(rs.next()) { 
15.System.out.println("ID:" + rs.getInt("Id")); 
16.System.out.println("Description:" + rs.getString("Descrip")); 
17.System.out.println("Price:" + rs.getDouble("Price")); 
18. System.out.println(Quantity:" + rs.getInt("Quantity")); 
19.} 
20. } catch (SQLException se) { 
21. System.out.println("Error"); 
22. } 
Assume that: 
The required database driver is configured in the classpath. 
The appropriate database is accessible with the dbURL, userName, and passWord exists. 
The SQL query is valid. 
What is the result? 

  • A: An exception is thrown at runtime. 
  • B: Compilation fails. 
  • C: The code prints Error. 
  • D: The code prints information about Item 110.  








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