Reverse Of Sentence in java

public class Sentence{

public static void main(String[] args) {
String a="i am kishan kumar";
String c=" ";
int j=0;
String[] b;
b=a.split(c);
for(int i=0;i<b.length;i++)
{
System.out.println(b[i]);
j++;
}

int k=j-1;
             for(int i=k;i>=0;i--)
          {
System.out.print(b[i]+" ");

             }
}

}