test for

hello

1
2
3
4
5
6
7
8
9
public class a{
    public static void main(String[] args)
    {
        System.out.println("Hello, world!");
    }
}
def show(name)
  puts "hi, #{name}"
end

When $a ne 0$, there are two solutions to (ax^2 + bx + c = 0) and they are