wisdomisite-java/src/main/java/com/zhgd/xmgl/util/TimeUtil.java

package com.zhgd.xmgl.util;

import java.util.Objects;
import java.util.Scanner;

public class TimeUtil {
    /**
     * 获取时分秒中文显示
     *
     * @param second
     * @return
     */
    public static String toHourMinSecond(Integer second) {
        if (second == null) {
            return null;
        }
        int h = second / 3600;
        int min = (second % 3600) / 60;
        int s = (second % 3600) % 60;
        String rs = "";
        if (second >= 3600) {
            rs = h + "h";
        }
        if (second >= 60) {
            rs += min + "min";
        }
        return rs + s + "s";
    }

    public static void main(String[] args) {
        //abcdefg hijkl mnopq rst uvwxyz
        for (int i = 0; i < 100; i++) {
            Scanner scanner = new Scanner(System.in);
            char c1 = (char) ('a' + Math.random() * ('z' - 'a' + 1));
            char c2 = (char) ('a' + Math.random() * ('z' - 'a' + 1));
            System.out.println(c1 + ">>>" + c2);
            String read = scanner.nextLine();
            String rs = c1 < c2 ? "y" : "n";
            if (!Objects.equals(read, rs)) {
                System.out.println("答错了");
            }
        }
    }
}