1. Haidong Xue Summer 2011, at GSU
Principles of Computer Programming (using Java) Chapter 4 Basic Control Structures
Haidong Xue
Summer 2011, at GSU

2. Content Quiz2 Test1 Assignment4 boolean expression if structure
while structure
do-while structure

3. Quiz 2
Some numbers
# of full grades: 3
Average: 78
Answers

4. Test 1 Some numbers Answers # of full grades: 1
# of grades in [90, 99]: 9
# of grades in [80, 89]: 3
# of grades in [70, 79]: 8
# of grades in [0, 69]: 8
Average: 79
Answers

5. Assignment 4
Review of the class mechanism
The answers

6. Boolean Expression Literals Operators Examples
== != > < >= <=
! && ||
Examples

7. if structure
if ( boolean expression ) { … } else if( boolean expression) //optional, could be more than 1 else // optional

8. while structure
while( boolean expression) { … break; //optional } The counting loop: for structure

9. do-while structure
do { … break; //optional } while( boolean expression);

10. Assignment
if ( Test1 <= 80 ){ redo assignments 3 and 4; } else{ no assignment;