A(n) __________ can have an uninitialized value passed into it, but it must be set to some value before the method it belongs to finishes executing. a. input parameter b. reference parameter c. output parameter d. default parameter
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A(n) __________ can have an uninitialized value passed into it, but it must be set to
some value before the method it belongs to finishes executing.
a. input parameter
b. reference parameter
c. output parameter
d. default parameter
Answer is given below,
An output parameter should be set to a value before the method it belongs to finishes its execution.
Hence, the correct answer is option (c).
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- It is possible to invoke a method without explicitly providing an argument into a parameter when a(n)__________ is given for it.A(n) __________ is a special variable that receives an argument when a method is called. a. reference variable b. argument variable c. parameter variable d. method variableMicrosoft Visual C#, 7th edition. chapter 11, Programming exercise 11-3 Instructions: Write the program FindSquareRoot that finds the square root of a user’s input value. The Math class contains a static method named Sqrt() that accepts a double and returns the parameter’s square root. If the user’s entry cannot be converted to a double, display an appropriate message, and set the square root value to 0. Otherwise, test the input number’s value. If it is negative, throw a new ApplicationException to which you pass the message “Number can’t be negative.” and again set sqrt to 0. If the input value is a double and not negative, pass it to the Math.Sqrt() method, and display the returned value. An example of the program is shown below: Enter a number 9 Square root is 3 or Enter a number -9 Error: Number can't be negative. Square root is 0
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