public class Test2 {
public static void Main (string[] args) {
TODO auto-generated Method Stub
int abccount = 0;//number of English letters
int spacecount = 0;//Space Key number
int numcount = 0;//number of digits
int othercount = 0;//number of other characters
String str = "Hhhhh 666 yh4st66****";
char[] ch = str.tochararray ();
for (int i = 0; i < ch.length; i++) {
if (Character.isletter (Ch[i])) {
Determine if the letter
abccount++;
} else if (Character.isdigit (Ch[i])) {
Judging whether the number
numcount++;
} else if (Character.isspacechar (Ch[i])) {
Determine if the space key
spacecount++;
} else {
None of the above are considered to be other characters
othercount++;
}
}
System.out.println ("Number of letters:" + abccount);
System.out.println ("Number of digits:" + numcount);
System.out.println ("Number of spaces:" + spacecount);
System.out.println ("Number of other characters:" + othercount);
}
}
Enter a line of characters to count the number of letters, spaces, numbers, and other characters in each of them.
