program488.java

import java.util.*;

class StringX
{
    public static String Trim(String str)
    {
        int i = 0, iStart = 0,iEnd = 0;;
        char Arr[] = str.toCharArray();//_ _ _JAY_ _GANESH_ _ _
        
        if(Arr[0]== ' ')
        {
            while((Arr[i] == ' ') && (i < Arr.length))
            {
                i++;
            }
        }

        iStart = i;

        i = 0;

        i = Arr.length - 1;

        if(Arr[Arr.length-1] == ' ')
        {   
            while(Arr[i] == ' ')
            {
                i--;
            }
        }

        iEnd = i;

        char Brr[] = new char[iEnd-iStart+1];
        int j =0;

        for(i = iStart , j= 0 ; i <=iEnd ;i++,j++)
        {
            Brr[j] = Arr[i];
        }

        return new String(Brr);
    }
}
class program488 
{
    public static void main(String[] args) 
    {
        Scanner sobj = new Scanner(System.in);
        
        char Arr [] = {'a','b','c','d','f'};

        String s = new String(Arr);

        System.out.println(s);

        s = new String(Arr,1,4);
        
        System.err.println(s);

        
    }    
}