Input line of characters, respectively, the statistics of the number of English letters, spaces, numbers and other characters wherein

Title: Enter the line of characters, each of which in English statistics , the number of letters, spaces, numbers and other characters.

 

Program Analysis: Using the while statement, the conditions for character input is not '\ n'.

public  class Q7 statistical input letters spaces digits {
     public  static  void main (String [] args) { 
        System.out.print ( "input line of characters" ); 
        Scanner in = new new Scanner (System.in); 
        S String = in.nextLine (); 
        in.close (); 
        char [] = C s.toCharArray ();
         int numOfChars = 0; // number of letters 
        int numOfSpaces = 0; // number of spaces 
        int numOfNumbers = 0 ; // number of digits 
        int numOfOthers = 0; // other number of characters 
        int i=c.length-1;
        //遍历数组
        while(i >-1) {
            if(c[i] > 64 && c[i] <128 ) {
                numOfChars++;
            } else if(c[i]==' ') {
                numOfSpaces++;
            } else if(c[i] >47 &&(int) c[i] < 58) {
                numOfNumbers++;
            } else {
                numOfOthers++;
            }
            i- ; 
        } 
        System.out.println ( "the number of letters as follows:" + numOfChars); 
        System.out.println ( "the number of spaces is:" + numOfSpaces); 
        System.out.println ( "digits as: "+ numOfNumbers); 
        System.out.println ( " the number of characters to the other: "+ numOfOthers); 
    } 
}