1z1-830 試験問題を無料オンラインアクセス

Given:
java
String colors = "red\n" +
"green\n" +
"blue\n";
Which text block can replace the above code?

• A.None of the propositions
• B.java
  String colors = """
  red \t
  green\t
  blue \t
  """;
• C.java
  String colors = """
  red \
  green\
  blue \
  """;
• D.java
  String colors = """
  red \s
  green\s
  blue \s
  """;
• E.java
  String colors = """
  red
  green
  blue
  """;

Given:
var cabarets = new TreeMap<>();
cabarets.put(1, "Moulin Rouge");
cabarets.put(2, "Crazy Horse");
cabarets.put(3, "Paradis Latin");
cabarets.put(4, "Le Lido");
cabarets.put(5, "Folies Bergere");
System.out.println(cabarets.subMap(2, true, 5, false));
What is printed?

• A.An exception is thrown at runtime.
• B.{}
• C.Compilation fails.
• D.CopyEdit{2=Crazy Horse, 3=Paradis Latin, 4=Le Lido, 5=Folies Bergere}
• E.{2=Crazy Horse, 3=Paradis Latin, 4=Le Lido}

Given:
java
List<Integer> integers = List.of(0, 1, 2);
integers.stream()
.peek(System.out::print)
.limit(2)
.forEach(i -> {});
What is the output of the given code fragment?

• A.012
• B.An exception is thrown
• C.Compilation fails
• D.Nothing
• E.01

Given:
java
var deque = new ArrayDeque<>();
deque.add(1);
deque.add(2);
deque.add(3);
deque.add(4);
deque.add(5);
System.out.print(deque.peek() + " ");
System.out.print(deque.poll() + " ");
System.out.print(deque.pop() + " ");
System.out.print(deque.element() + " ");
What is printed?

• A.1 5 5 1
• B.1 1 1 1
• C.1 1 2 3
• D.5 5 2 3
• E.1 1 2 2

Given:
java
Period p = Period.between(
LocalDate.of(2023, Month.MAY, 4),
LocalDate.of(2024, Month.MAY, 4));
System.out.println(p);
Duration d = Duration.between(
LocalDate.of(2023, Month.MAY, 4),
LocalDate.of(2024, Month.MAY, 4));
System.out.println(d);
What is the output?

• A.P1Y
  UnsupportedTemporalTypeException
• B.P1Y
  PT8784H
• C.PT8784H
  P1Y
• D.UnsupportedTemporalTypeException