3.1.1. Selection-WE1-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, follow true branch. If false, follow else branch (OR do nothing if there is no else branch).

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Select-WE1-P1

Each question below is independent, but they all use this given setup

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;

Q1:

if (theta > omega)
   rho = kappa + 2;

What is the value of rho?

Q2:

if (beta < alpha)
   eta = 42;

What is the value of eta?

Q3: After executing the following code, the value in variable eta is and the value in variable beta is .

if (kappa < delta)
   eta = 42;
   beta = 22;

Q4: After executing the following code, the value in variable eta is and the value in variable beta is .

if (gamma < kappa)
{
   beta = 22;
}
eta = 42;

Q5: Click on the statements belonging to the if-branch in the following code

if (kappa < delta)
   eta = 42;
   beta = 22;

public class main{ public static void main(String args[]){ } }

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