Skip to main content

Section 4.13 Selection-WE6-P1

Subgoals for Evaluating Selection Statements.

  1. Diagram which statements go together
  2. For if statement, determine whether expression is true or false
  3. If true ߝ follow true branch, if false ߝ follow else branch or do nothing if no else branch

Subsection 4.13.1

Exercises Exercises

1.
2.
Use this given setup for each of the questions below.
int alpha = 2, beta = 1, delta = 3, eta = 0, gamma = 0;
double omega = 2.5, theta = -1.3, kappa = 3.0, lambda = 0.0, rho = 0.0;
3.
Q18: After executing the following code, the value in variable eta is .
if (omega > kappa)
{
    if (alpha > delta)
        eta = 5;
    else
        eta = 4;
}
else
    if (alpha<delta)
        eta = 3;
    else
        eta = 2;
4.
Q19: After executing the following code, the value in variable a is and the value in variable b is .
int a = -5;
int b = 5;
if (a<0)
    if (b > 0)
        a = b;
else
    a = b + 10;
    b = b + 3;
5.
Q20: After executing the following code, the value in variable x is and the value in variable y is .
int x = -8;
int y = 10;
if (x<0)
{
    if (y<0)
    x = y;
}
else
    x = y +10;
    y = x + y;
You have attempted of activities on this page.