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Course 34697

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Consider the recursive method myPrint. What is printed for the call myPrint(821)?

public void myPrint(int n) 

{

   if (n < 10)

      System.out.print(n);

   else 

   {

      int m = n % 10;

      System.out.print(m);

      myPrint(n/10);

   }

}
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Consider the recursive version of the fib method from the book. How many recursive calls to fib(2) will be made from the original call of  fib(6)?

public static long fib(int n)

{

   if (n <= 2) return 1;

   else return fib(n – 1) + fib(n – 2);

}

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Consider the following code snippet:

Scanner in = new Scanner(. . .);

in.useDelimiter("[^0-9]+");

The notation used in the second line of code is called a/an____.

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When reading input with a Scanner object, which of the following statements is true?

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Consider the following code snippet:

Scanner in = new Scanner(. . .);

in.useDelimiter("");

while (in.hasNext())

{

   . . .

}

Which of the following statements about this code is correct?

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A class that represents a more specific entity in an inheritance hierarchy is called a/an ____.

 

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To override a superclass method in a subclass, the subclass method ____.

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Which of the following constitutes a common reason for creating a static method?

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Which of the following classes has a static variable that is commonly used when communicating with standard output?

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In Java, which of the following mechanisms describe the copying of an object reference into a parameter variable?

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