Sample Final Exam Solutions

I have provided what goes into the blanks for the fill in the blank problems.

Question 1

Segment 1: 15

Segment 2: 3

Segment 3: 

-

- *

-

- *

- *

-

- *

- *

-

- *

- *

-

Question 2

(a)

in.readInt()

in.readInt()

(previous > 0) || (current > 0)

previous = current

current = in.readInt()

previous + " " + current

(b)

(previous <= 0) && (current <= 0)

Question 3

2

(p % d) != 0

d + 1

d == p

p + "is prime"

p + "is not prime"

Question 4

(reflect)

start < end

A[start]

A[start] = A[end]

A[end] = temp

(swap)

reflect(A, 0, k-1);

reflect(A, k, A.length - 1);

reflect(A, 0, A.length - 1);

Question 5

((r < map.length) && (r >= 0) &&

(c < map[r].length) && (c >= 0) &&

(map[r][c] == (val + 1)))

Question 6

M.length

M[0].length

for (col = 0; col < width; col++)

{

for (row = col; row < height; row++)

sum = sum+M[row][col];

}

return sum;

Question 7

1c, 2c, 3i, 4c, 5i, 6c, 7i, 8c, 9c, 10i, 11c, 12c, 13c, 14i, 15c

Question 8

uniInteract(p);

p.unIInteract(this);

enemy = p

class WackyPerson extends Person {

public WackyPerson (String n) {

super(n, 2000);

enemy = this;

}

public void uniInteract(Person q) {

for (int i = 1; i <= 100, i++)

super.uniInteract(q);

}

}

Question 9

(a)

x = size(M)

N = M(2:x(1) - 1, 2:x(2) - 1)

(b)

function n = COUNT(V, X)

y = (V==X)

n = sum(y)

(c)

COUNT(N(:, 2), 99)