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- /*
- QuadTester.java MrG 2012.1024
- purpose: solve quadratic equations using the quadratic formula
- required files: QuadTester.java main class
- Quad.java derived class
- translator: javac QuadTester.java
- interpreter: java QuadTester a b c
- */
- //main class
- public class QuadTester
- {
- public static void main(String[] args)
- {
- double a = Double.parseDouble(args[0]);
- double b = Double.parseDouble(args[1]);
- double c = Double.parseDouble(args[2]);
- Quad leslie = new Quad(a,b,c);
- System.out.println("disc = " + leslie.disc());
- if(leslie.disc()>=0)
- {
- System.out.println("root1 = " + leslie.root1());
- System.out.println("root2 = " + leslie.root2());
- }
- else
- {
- System.out.println("root1 = " + leslie.real() + "+" + leslie.imag() + "i");
- System.out.println("root1 = " + leslie.real() + "-" + leslie.imag() + "i");
- }
- }
- }
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