Java Tutorial... How to write code for determining Strings starts or ends with particular substring ?

public class Main
{
    public static void main(String[] args)
{
String[] a={"sell","well","help","hell"} ; // Array of strings
for(String x:a)
if(x.startsWith("he"))
System.out.printf(" Strings that starts with he :" + x +"\n");
for(String x:a)
if(x.endsWith("ll"))
System.out.printf(" Strings that ends with ll :" + x + "\n");

   
}
}