java program to print sentence in reverse order of words..

import java.util.Scanner;
public class Reverse {
public static void main(String []argv)
{System.out.println("enter the string");
Scanner s1=new Scanner(System.in);
    String s=s1.nextLine();
    String a[]=s.split(" ");
      String finalStr="";
      for(int i = a.length-1; i>= 0 ;i--)
      {
          finalStr += a[i]+" ";
      }
     
System.out.println("String before reverse -s => :  " +s);
System.out.println("string after reversal of words => ");
System.out.println(finalStr);
s1.close();
}
}