Can I use methods of a class without instantiating this class?

Question

I have a class with several methods and there is no constructor among these methods.

So, I am wondering if it is possible to call a method of a class without a creat

Answer 1

I have a class with several methods and there is no constructor among these methods.

If you don't explicitly define a constructor then you get a default constructor provided by the compiler. So if those methods aren't static, try this:

NameOfClass x = new NameOfClass();
x.doMethod(x1,x2,...,xn);