1. A LESSON IN LOOPING
What is a loop?
A portion of a program that repeats a statement or group of statements

2. while statement (while-loop)
TYPES OF LOOPS
while statement (while-loop)
Action that is coded in braces (body of the while loop) is repeated (in order) until the condition of the while loop is met. Repetition is called an iteration of the loop

3. CODING EXAMPLE
How many greetings?
Ask the user how many ‘hello’ statements they want to print and execute. Print ‘That’s All!’ when finished.

4. SYNTAX
while(condition) {
Insert code to repeat here }

5. EXAMPLE

6. TYPES OF LOOPS
do while statement
Similar to while statement, except that the loop body is always executed at least once. Do ‘this’ (at least once), while ‘this’ is true

7. Hello! Do you want another?
CODING EXAMPLE
Hello! Do you want another?
Greet the user – ‘Hello!’, ask if they would like another greeting – input 1(yes) or 2(no)? Execute until user enters 2(no)

8. SYNTAX do {
Insert code to repeat here
}while(condition);

9. EXAMPLE