Java programming code

/*This is a program which display a number in reverse order Sample input 12345678 Sample output 87654321 */ import java.io.*; import java.lang.Math; class reverse7 { public static void main (String args[])throws IOException { String a;long b; BufferedReader ob=new BufferedReader(new InputStreamReader(System.in) ); System.out.print("Enter your number:"); a=ob.readLine(); b=Long.parseLong(a); System.out.print("your result is:"); while( b!=0) { long m=b%10; b=b/10; System.out.print(m); } System.out.println(); } }