public class test{
static void main public (String [] args) {
// keyboard input objects
Scanner sc = new Scanner (System.in) ;
// remove the keyboard input string of characters and character sequences do
System.out.println ( "Please enter a string of characters:");
String str = sc.next ();
System.out.println ( "Please enter a string of characters:");
String str = sc.next ();
int numCount = 0, aCount = 0, ACount = 0, otherCount = 0;
// for循环字符
for (int i = 0; i < str.length(); i++) {
char ch = str.charAt(i);
for (int i = 0; i < str.length(); i++) {
char ch = str.charAt(i);
// resolving string in lowercase letters and numbers and symbols
IF (CH> = '0' && CH <= '. 9') {// '0' - '. 9'
numCount ++; // number of digits
} else IF (CH> = 'A' && CH <= 'Z') {// 'A' - 'Z'
Acount ++; // number lowercase
} else if (ch> = ' A' && ch <= ' the Z ') {//' A '-' the Z '
Acount ++; // number of uppercase letters
} else {// the other symbols
otherCount ++; // number of other characters
}
}
System.out.println ( "string:" + str + "\ n digital:" + numCount + "\ n lowercase letters:" + aCount + "\ n capital letters:" + ACount + "\ n other characters:" + otherCount);
}
}