import element.*;

public class Substring
{
    public static String omit(String s, int start)
    {
        return s.substring(0,start);
    }

    public static String omit(String s, int start, int finish)
    {
       return s.substring(0,start)+s.substring(finish);
    }

    public static void main(String args[])
    {
        ConsoleWindow c = new ConsoleWindow();
        String s = "concatenate";

        c.out.println(s.substring(3)); // prints "catenate"
        c.out.println(s.substring(0)); // prints "concatenate"
        c.out.println(s.substring(s.length())); // prints blank line
        c.out.println(s.substring(3,s.length())); // prints "catenate"
        c.out.println(s.substring(1,2));        // prints "o"
        c.out.println(s.substring(2,2));        // prints ""

        
        System.exit(0);
    }
}
/*
catenate
concatenate

catenate
o

*/