You want to create a singleton class by using the Singleton design pattern.
Which two statements enforce the singleton nature of the design?
A. Make the class static.
B. Make the constructor private...
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分類：題庫解析 - 第 64 頁
Which statement is true?
A. A compilation error occurs in IceCream.
B. A compilation error occurs in Cake.
C. A compilation error occurs in Shop.
D. A compilation error occurs in Bread
E. All classes...
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Which code fragment creates an instance of Car?
A.
Car auto = Car("MyCar")::new;
B.
Car auto = Car::new;
Car vehicle = auto::getCar("MyCar");
C.
Rideable rider = Car::new;
Car vehicle = rider.getCar(...
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Which code fragment, when inserted at line n1, sorts the employees list in descending order of fName and then ascending order of lName?
A.
.sorted(Comparator.comparing(Emp::getfName).reserved().thenC...
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What is the result?
A.
20.0
30.0
B.
10
20
C. A compilation error occurs.
D. A NumberFormatException is thrown at run time.
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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. Replac...
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For which three objects must a vendor provide implementations in its JDBC driver?
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What is the result?
A. Scan.Printer closed. Scanner closed. Unable to scan.
B. Scan.Scanner closed. Unable to scan.
C. Scan. Unable to scan.
D. Scan. Unable to scan. Printer closed.
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What is the result?
A. User is registered.
B. An AgeOutOfLimitException is thrown.
C. A UserException is thrown.
D. A compilation error occurs in the main method.
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Which modification enables the code fragment to compile?
A. Replace line n1 with:
IntFunction<UnaryOperator> inFu = x -> y -> x * y;
B. Replace line n1 with:
IntFunction<IntUnaryOperator> inFu = x ->...
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