| class LineNumbers { | |
| void m(double a, double b, double c) { | |
| double d = b*b - 4*a*c; | |
| if (d < 0) { | |
| System.out.println("No roots."); | |
| } else if (d == 0) { | |
| double x = -b / 2*a; | |
| System.out.println("x=" + x); | |
| } else { | |
| d = Math.sqrt(d); | |
| double x1 = -b - d / 2*a; | |
| double x2 = -b + d / 2*a; | |
| System.out.println("x1=" + x1 + " x2=" + x2); | |
| } | |
| } | |
| } |