Given the Following Constructor Code, Which of the Statements Are

question 39

Multiple Choice

Given the following constructor code, which of the statements are true? public Book(String ISBNOfBook, double priceOfBook,
Int numberOrderedOfBook)
{
If (ISBNOfBook == "")
Throw new BlankISBN() ;
If (priceOfBook < 0)
Throw new NegativePrice(priceOfBook) ;
If (numberedOrderedOfBook < 0)
Throw new NegativeNumberOrdered(numberOrderedv) ;
ISBN = ISBNOfBook;
Price = priceOfBook;
NumberedOrdered = numberOrderedOfBook;
}

• A) There is an error: a throws clause should be added to the constructor header.
• B) Classes extending the Exception class should be created for each of the custom exceptions that are thrown in the constructor.
• C) A FileNotFoundException will be thrThe calling method must handle the exceptions thrown in the constructor, or have its own throws clause specifying them.
• D) All of these are true.

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Definitions:

Operators

Operators are symbols that instruct the compiler to perform specific mathematical, relational, or logical operations and produce a final result.

Binary Arithmetic

A fundamental area of computer science focusing on arithmetic operations, such as addition and multiplication, using binary numbers.

Unary Arithmetic

Operations in mathematics and computer science that operate on a single operand or value to produce a new value.

Cast Operator

In programming, a cast operator converts one data type into another, providing a way to override the automatic data type conversions.