例4-13.txt

java电子版源码 java电子版源码

import tom.jiafei. SquareEquation;
class Test 
{  
    public static void main(String args[])
    {  
        SquareEquation equation=new SquareEquation(4,5,1);
        equation.getRoots();
        equation.setCoefficient(-3,4,5);
        equation.getRoots();
    }
}