Get New 2026 Valid Practice Java SE 1z0-809 Q&A - Testing Engine
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NEW QUESTION # 44
Given the code fragment:
Path path1 = Paths.get("/app/./sys/");
Path res1 = path1.resolve("log");
Path path2 = Paths.get("/server/exe/");
Path res1 = path1.resolve("/readme/");
System.out.println(res1);
System.out.println(res2);
What is the result?
- A. /app/sys/log
/readme/server/exe - B. /app/./sys/log
/ server/exe/readme - C. /app/log/sys
/ server/exe/readme - D. /app/./sys/log
/ readme
Answer: B
NEW QUESTION # 45
Which action can be used to load a database driver by using JDBC3.0?
- A. Use the java.lang.Class.forNamemethod to load the driver class.
- B. Add the driver class to the META-INF/services folder of the JAR file.
- C. Use the DriverManager.getDrivermethod to load the driver class.
- D. Include the JDBC driver class in a jdbc.propertiesfile.
Answer: C
NEW QUESTION # 46
Given the code fragment:
What is the result?
- A. [text1, text2]
- B. text1text2
- C. text1text2text2text3
- D. text1
Answer: B
NEW QUESTION # 47
Given the code fragment:
What is the result?
- A. 0
- B. A compilation error occurs at line n2.
3 - C. A compilation error occurs at line n1.
- D.
Answer: B
NEW QUESTION # 48
Given the content of the employee.txt file:
Every worker is a master.
Given that the employee.txt file is accessible and the file allemp.txt does NOT exist, and the code fragment:
What is the result?
- A. allemp.txt is created and the content of employee.txt is copied to it.
- B. The program executes, does NOT affect the system, and produces NO output.
- C. Exception 1
- D. Exception 2
Answer: C
NEW QUESTION # 49
Given the structure of the Student table:
Student (id INTEGER, name VARCHAR)
Given the records from the STUDENT table:
Given the code fragment:
Assume that:
The required database driver is configured in the classpath.
The appropriate database is accessible with the dbURL, userName, and passWord exists.
What is the result?
- A. The program prints Status: false but the records from the Student table are not deleted.
- B. The program prints Status: false and two records are deleted from the Student table.
- C. A SQLException is thrown at runtime.
- D. The program prints Status: true and two records are deleted from the Student table.
Answer: B
NEW QUESTION # 50
Given the code fragment:
Assume that:
The required database driver is configured in the classpath.
The appropriate database is accessible with the dbURL, userName, and passWord exists The Employee table has a column ID of type integer and the SQL query matches one record.
What is the result?
- A. Compilation fails at line 14.
- B. Compilation fails at line 15.
- C. The code prints Error.
- D. The code prints the employee ID.
Answer: A
NEW QUESTION # 51
Given:
What is the result?
- A. 10 Hello 11
- B. 10 Hello Hello 11
- C. 10 Hello Hello 121
- D. 100 Hello Hello 121
- E. 100 Hello 121
Answer: B
NEW QUESTION # 52
Given:
What is the result?
- A. -finally
-dostuff-
-catch- - B. -finally-
-catch- - C. -catch-
-finally-
-dostuff- - D. -catch-
Answer: B
NEW QUESTION # 53
Given the code fragment:
What is the result?
- A. 0 2 4 6
- B. 0 2 4
- C. 2 4
Compilation fails.
Answer: B
NEW QUESTION # 54
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?
- A. Stream.of(list1, list2)
. flatMap(list -> list.intStream())
. forEach(s -> System.out.print(s + " ")); - B. Stream.of(list1, list2)
. flatMapToInt(list -> list.stream())
. forEach(s -> System.out.print(s + " ")); - C. list1.stream()
. flatMap(list2.stream().flatMap(e1 -> e1.stream())
. forEach(s -> System.out.println(s + " ")); - D. Stream.of(list1, list2)
. flatMap(list -> list.stream())
. forEach(s -> System.out.print(s + " "));
Answer: C
NEW QUESTION # 55
Given the code fragment:
What is the result?
- A. Val:10 Val:20 Val:30
- B. Val: Val: Val:
- C. Val:20 Val:40 Val:60
- D. A compilation error occurs.
Answer: C
NEW QUESTION # 56
Given:
Your design requires that:
- fuelLevel of Engine must be greater than zero when the start() method is invoked.
- The code must terminate if fuelLevel of Engine is less than or equal to zero.
Which code fragment should be added at line n1 to express this invariant condition?
- A. assert fuelLevel < 0: System.exit(0);
- B. assert fuelLevel > 0: "Impossible fuel" ;
- C. assert (fuelLevel > 0) : System.out.println ("Impossible fuel");
- D. assert (fuelLevel) : "Terminating...";
Answer: A
NEW QUESTION # 57
Given the code fragment:
Which should be inserted into line n1to print Average = 2.5?
- A. DoubleStream str = Stream.of (1.0, 2.0, 3.0, 4.0);
- B. Stream str = Stream.of (1, 2, 3, 4);
- C. IntStream str = Stream.of (1, 2, 3, 4);
- D. IntStream str = IntStream.of (1, 2, 3, 4);
Answer: A
NEW QUESTION # 58
Given the code fragment:
List<Double> doubles = Arrays.asList (100.12, 200.32);
DoubleFunction funD = d -> d + 100.0;
doubles.stream (). forEach (funD); // line n1
doubles.stream(). forEach(e -> System.out.println(e)); // line n2
What is the result?
- A. 200.12
300.32 - B. A compilation error occurs at line n1.
- C. A compilation error occurs at line n2.
- D. 100.12
200.32
Answer: C
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION # 59
Given the code fragment:
List<Integer> values = Arrays.asList (1, 2, 3);
values.stream ()
. map(n -> n*2) //line n1
. peek(System.out::print) //line n2
. count();
What is the result?
- A. A compilation error occurs at line n2.
- B. 0
- C. A compilation error occurs at line n1.
- D. The code produces no output.
Answer: B
NEW QUESTION # 60
Given the definition of the Country class:
public class country {
public enum Continent {ASIA, EUROPE}
String name;
Continent region;
public Country (String na, Continent reg) {
name = na, region = reg;
}
public String getName () {return name;}
public Continent getRegion () {return region;}
}
and the code fragment:
List<Country> couList = Arrays.asList (
new Country ("Japan", Country.Continent.ASIA),
new Country ("Italy", Country.Continent.EUROPE),
new Country ("Germany", Country.Continent.EUROPE));
Map<Country.Continent, List<String>> regionNames = couList.stream ()
.collect(Collectors.groupingBy (Country ::getRegion,
Collectors.mapping(Country::getName, Collectors.toList()))));
System.out.println(regionNames);
What is the output?
- A. {ASIA = [Japan], EUROPE = [Italy, Germany]}
- B. {EUROPE = [Germany, Italy], ASIA = [Japan]}
- C. {EUROPE = [Italy, Germany], ASIA = [Japan]}
- D. {EUROPE = [Germany], EUROPE = [Italy], ASIA = [Japan]}
Answer: C
NEW QUESTION # 61
Which three statements describe the object-oriented features of the Java language?
- A. A subclass can inherit from a superclass.
- B. object. is the root class of all other objects.
- C. Objects can share behaviors with other objects.
- D. A package must contain more than one class.
- E. Objects cannot be reused.
- F. A main method must be declared in every class.
Answer: A,B,C
Explanation:
java.lang.Object
public class Object
Class Object is the root of the class hierarchy. Every class has Object as a superclass. All objects, including arrays, implement the methods of this class.
https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html
NEW QUESTION # 62
Given:
public class SampleClass {
public static void main(String[] args) {
AnotherSampleClass asc = new AnotherSampleClass(); SampleClass sc = new
SampleClass();
sc = asc;
System.out.println("sc: " + sc.getClass());
System.out.println("asc: " + asc.getClass());
}}
class AnotherSampleClass extends SampleClass {
}
What is the result?
- A. sc: class AnotherSampleClass asc: class SampleClass
- B. sc: class SampleClass asc: class AnotherSampleClass
- C. sc: class AnotherSampleClass asc: class AnotherSampleClass
- D. sc: class Object asc: class AnotherSampleClass
Answer: C
NEW QUESTION # 63
Given:
And given the code fragment:
What is the result?
- A. C1C1
- B. C1C2
- C. Compilation fails.
- D. C2C2
Answer: C
NEW QUESTION # 64
Given the following segment of code:
Which two statements, If either were true, would make the code compile?
- A. motorCycle is a superclass of vehicle.
- B. Vehicle and MotorCycle both implement the Transportation interface.
- C. Vehicle is an interface that is implemented by the Motorcycle class.
- D. Vehicle and MotorCycle both extend the Transportation superclass.
- E. Vehicle is a superclass of MotorCycle.
- F. MotorCycle is an interface that implements the Vehicle class.
Answer: C,E
NEW QUESTION # 65
Assume customers.txtis accessible and contains multiple lines.
Which code fragment prints the contents of the customers.txtfile?
Stream<String> stream = Files.find (Paths.get ("customers.txt"));
- A. lines.forEach( c) -> System.out.println(c));
- B. stream.forEach((String c) -> System.out.println(c));
Stream<Path> stream = Files.find (Paths.get ("customers.txt")); - C. stream.forEach( c) -> System.out.println(c));
Stream<String> lines = Files.lines (Paths.get ("customers.txt")); - D. stream.forEach( c) -> System.out.println(c));
Stream<Path> stream = Files.list (Paths.get ("customers.txt"));
Answer: B
NEW QUESTION # 66
......
1z0-809 Braindumps Real Exam Updated on Mar 25, 2026 with 209 Questions: https://prep4sure.dumpsfree.com/1z0-809-valid-exam.html