Chapter

Quadratic Roots Revisited

From ComputerScienceOne by Dr Chris Bourke

Concepts

1. How can conditionals handle invalid inputs and special cases in a quadratic roots program?

   "Let’s return to the quadratic roots program we previously designed that uses the quadratic equation to compute the roots of a quadratic polynomial by reading coefficients a, b, c in from the user. On

2. How does the Java quadratic roots program check errors and calculate its roots?

   "/**\n\n* This program computes the roots to a quadratic equation\n\n* using the quadratic formula.\n\n*/\n\npublic class Roots {\n\npublic static void main(String args[]) {\n\ndouble a, b, c, root1,