CEIS 420 CEIS420 Week 4 Homework Solution

CEIS 420 CEIS420 Week 4 Homework Solution

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CEIS 420 Week 4 Homework Answer (DeVry)

Question 1 (5 points)

Rewrite the following code segment using multiple-selection statement in C++, Java, or C#.  

if  ((  k ==  1 )  ||  ( k == 2 ))   j  =  2  *  k  –  1
if  ((  k ==  3 )  ||  ( k == 5 ))   j  =  3  *  k  +  1
if  ((  k ==  4 )  j  =  4 * k – 1 
if  (( k  ==  6 )  ||  ( k == 7 ) || ( k == 8 ))  j  =  k – 2 

Question 3 (10 points)

Consider the following program written in C syntax.

void swap (int a, int b) {

 int temp;

 temp = a;

 a = b;

 b = temp;

}

void main ( ) {

 int value = 2, list[5] = {1, 3, 5, 7, 9};

 swap (value, list[0]);

}

For both of the following parameter-passing methods, what is the value of the first element of list after both of the following? 

a) Pass-by-value for list[0]

b) Pass-by-reference for list[0]