java--charAt()

public class TestString{
public static void main(String[] args)
{
int lowCount=0,hCount=0,oCount=0;
String S="alhjfweoihfHIFGIUE154355644164";
for(int i=0;i<S.length();i++)
{
char c=S.charAt(i);
if(c>='a'&&c<='z')
{
lowCount++;
}else if(c
7534
>='A'&&c<='Z')
{
hCount++;
}else
{
oCount++;
}
}

System.out.println(lowCount+" "+hCount+" "+oCount);
}

}