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Section 2.3 Expressions-WE1-P2
Subgoals for evaluating an assignment statement.
Determine resultant data type of expression
Update variable for pre operators based on side effect
Solve arithmetic equation, operator precedence
Is the Left Hand Side (LHS) of the assignment statement a variable? Check the data type of the value on right hand side (RHS) against data type of LHS variable.
Update variable for post operators based on side effect
Subsection 2.3.1
int alpha, gamma;
int beta = 1;
double omega = 2.5;
double theta, lambda;
Exercises Exercises
1.
What is the value of alpha?
2.
Why is this statement invalid?
cannot assign a double to an int variable
Correct
lambda does not have a value
Incorrect
omega does not have a value
Incorrect
cannot assign an int to a double variable
Incorrect
3.
What is the value of theta?
4.
What is the value of omega?
5.
Why is this statement invalid?
cannot assign a double to an int variable
Incorrect
lambda does not have a value
Correct
theta does not have a value
Incorrect
cannot assign an int to a double variable
Incorrect
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