Exam 8: Arrays and Strings

The declaration char str[] = "Hello there"; declares str to be a string of ____________________ characters.

Assume you have the following declaration char nameList[100];. Which of the following ranges is valid for the index of the array nameList?

All components of an array are of the same data type.

What is the output of the following C++ code? int list[5] = {0, 5, 10, 15, 20}; int j; for (j = 0; j < 5; j++) $\quad$ cout << list[j] << " "; cout << endl;

Given the following declaration: int j; Int sum; Double sale[10][7]; Which of the following correctly finds the sum of the elements of the fourth column of sale?

Given the following declaration: int j; Int sum; Double sale[10][7]; Which of the following correctly finds the sum of the elements of the fifth row of sale?

In the following declaration, the array gamma has ____________________ components. int gamma[5][6][10];

The following statement creates alpha to be a two-dimensional array with ____________________ rows. int alpha[10][25];

Consider the following declaration: int alpha[5] = {3, 5, 7, 9, 11};. Which of the following is equivalent to this statement?

In a two-dimensional array, the elements are arranged in a table form.

After the following statements execute, what are the contents of matrix? int matrix[3][2]; Int j, k; For (j = 0; j < 3; j++) For (k = 0; k < 2; k++) Matrix[j][k] = j + k;

The word ____________________ is used before the array declaration in a function heading to prevent the function from modifying the array.

Which of the following correctly declares name to be a character array and stores "William" in it?

Consider the statement int list[10][8];. Which of the following about list is true?

The statement int list[25]; declares list to be an array of 26 components, since the array index starts at 0.

Which of the following correctly declares and initializes alpha to be an array of four rows and three columns with the component type int?

For a list of length n, the ____________________ sort makes exactly (n(n - 1))/2 key comparisons and 3(n-1) item assignments.

Consider the following statement: double alpha[10][5];. The number of components of alpha is ____.

Arrays can be passed as parameters to a function by value, but it is faster to pass them by reference.

Consider the following declaration: char charArray[51]; char discard; Assume that the input is: Hello There! How are you? What is the value of discard after the following statements execute? cin.get(charArray, 51); cin.get(discard);