A. there are two methods:
1).int I = integer . parse int([String]); or
i = Integer.parseInt([String],[int radix]);
2).int i = Integer.valueOf(my_str)。 int value();
2 how to convert integer int into string?
A. there are three ways:
1.)String s = String . value of(I);
2.)String s = integer . tostring(I);
3.) String s = ""+i;