package xiti5;

public class Third {

    public static void main(String[] args) {

        T t=new T("want you to know one thing ");

          t.tell();

    }

}

class T{

    private String str;

    public T(String str){

        this.str=str;

    }

    public void tell(){

        char c[]=str.toCharArray();//将字符串分解为字符数组

        int n=0;

        int m=0;

        for(int i=0;i<c.length;i++){

            if(c[i]=='n'){

                n++;

            }else

                if(c[i]=='o'){

                    m++;

                }

        }

        System.out.println("该字符串中n出现了"+n+"次,o出现了"+m+"次");

    }

}