JAVA 开发实战经典 第二版 第五章 练习题 第 P157 T3

package com.bjpowernode;

public class MyTest {
    public static void main(String args[]) {
        String sc = "want you to know one thing";
        char c[] = sc.toCharArray();
        int n1 = 0;
        int n2 = 0;
        for (int x = 0; x < sc.length();x++){
            if (c[x] ==('n')){
                n1++;
            } else if (c[x] ==('o')){
                n2++;
            }

        }
        System.out.println("n的个数：" + n1);
        System.out.println("o的个数：" + n2);

    }
}