java string contains at beginning

1public class StringExample 
2{
3    public static void main(String[] args) 
4    {
5        String blogName = "howtodoinjava.com";
6         
7        System.out.println( blogName.startsWith("how") );               //true
8         
9        System.out.println( "howtodoinjava.com".startsWith("howto") );  //true
10         
11        System.out.println( "howtodoinjava.com".startsWith("hello") );  //false
12    }
13}
14

1public class StringExample 
2{
3    public static void main(String[] args) 
4    {
5        String blogName = "howtodoinjava.com";
6         
7        blogName.startsWith(null);
8    }
9}
10