Spliting words using Split method and print no. of words in a given String and Reverse the Words

public class SplitB
{
public static void main(String args[])
{
String s1=args[0];
String[] str=s1.split(" ");
System.out.println(args[0]);
//int size=(java.util.Arrays.asList(str).size());
int size=str.length;
System.out.println("No of words=" + size);
for(int i=0;i<size;i++)
System.out.println(str[i]);
System.out.println("Reverse words:");
for(int i=size-1;i>=0;i--)
System.out.println(str[i]);
}
}

output:
java SplitB "Hello World"

Hello World
No of words=2
Hello
World
Reverse words:
World
Hello