1. Visual Programming Week # 10
Iteration(Loops)

2. VP Lecture Note by Dr. Hanh Pham
Outline
Iterations
Examples
References
VP Lecture Note by Dr. Hanh Pham

3. VP Lecture Note by Dr. Hanh Pham
Iteration
Iteration = Repeat the SAME blocks LOOP = a set of Blocks which will be repeated Important Question: How & When will we get OUT of the LOOP ?
VP Lecture Note by Dr. Hanh Pham

4. VP Lecture Note by Dr. Hanh Pham
Examples of Iteration
Example 1:
Send the SAME text to
many phone numbers
Without LOOP With a ForeEACH Loop
VP Lecture Note by Dr. Hanh Pham

5. VP Lecture Note by Dr. Hanh Pham
Examples of Iteration
Example 2:
Display MANY phone numbers
With a ForeEACH Loop
VP Lecture Note by Dr. Hanh Pham

6. VP Lecture Note by Dr. Hanh Pham
Examples of Iteration
Example 3: Display the question-answer pairs from two parallel lists
With a WHILE loop
VP Lecture Note by Dr. Hanh Pham

7. VP Lecture Note by Dr. Hanh Pham
Examples of Iteration
Example 4: Compute a Formula , WHAT will be the OUTPUT ?
With a WHILE loop
VP Lecture Note by Dr. Hanh Pham