Lab4-Plural

JLab>java Selftest 

JLab> testPlural : ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok  (10.0/10.0)
JLab> : -----------------------------
JLab> : ?????? 10.0 ????? (???? 10.0)
JLab> : -----------------------------
JLab> :<POINT>10.0</POINT> (<TOTAL>10.0</TOTAL> )
JLab>

import java.util.Scanner;

public class Plural {
  
  public static void main(String[] args) {
    Scanner kb = new Scanner(System.in);
    System.out.print("singular noun = ");
    String s = kb.next();
    String p = "";
    int type = 0;
    int l = s.length();
    String s1 = s.trim().toLowerCase();
    String chk = s1.substring(l - 2);
    String chk2 = s1.substring(l - 1);
    String chk3 = s1.substring(l - 2, l - 1);
    String a = "aeoiu";
    if (a.indexOf(chk3) == -1) {
      if (chk2.equals("s")) type = 1;
      if (chk2.equals("x")) type = 1;
      if (chk.equals("ch")) type = 1;
      if (chk2.equals("y")) type = 2;

    } else {
      if (chk2.equals("s")) type = 1;
      if (chk2.equals("x")) type = 1;
      if (chk.equals("ch")) type = 1;
    }
    
   /* String chk = s.trim().toLowerCase().substring(l - 2, l - 1);
    String chk2 = s.trim().toLowerCase().substring(l - 2, l);
    if (chk.indexOf("a")==-1||chk.indexOf("e")==-1||chk.indexOf("i") == -1 ||chk.indexOf("o") == -1 ||chk.indexOf("u")==-1) {
      if (chk.equals("s")) {
        type = 1;
      }
      if (chk.equals("x")) {
        type = 1;
      }
      if (chk2.equals("ch")) {
        type = 1; 
      }
    } else {
      if (chk.equals("y")) {
        type = 2;
      }
    }*/
    if (type == 0) {
      p = s + "s";
    }
    if (type == 1) {
      p += s + "es";
    } 
    if (type == 2) {
      p += s.substring(0, l - 1) + "ies";
    }
    
    
    System.out.println("plural = " + p);
  }

}

SM=4, CM=68, ST=67, KY=3549, TR=60:00
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;
ERR = 60:00 ;