Chapter 4 - Control statements (Part I). After completing this chapter, students will be able to: To use basic problem-solving techniques; to develop algorithms through the process of top-down, stepwise refinement; to use the if and if else selection statements to choose among alternative actions; to use the while repetition statement to execute statements in a program repeatedly; to use counter-controlled repetition and sentinel-controlled repetition; to use the assignment, increment and decrement operators. | .