<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[java_zh6的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/java_zh6</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; java_zh6]]></copyright><item><title><![CDATA[数组中获取第二大的数]]></title><link>https://blog.youkuaiyun.com/java_zh6/article/details/108632824</link><guid>https://blog.youkuaiyun.com/java_zh6/article/details/108632824</guid><author>java_zh6</author><pubDate>Wed, 16 Sep 2020 23:29:26 +0800</pubDate><description><![CDATA[1个数组  获取数组中第二大的数字
（限制：只能一个for循环，不能排序）
public int findSecondBigNum(int[] nums){
        int max = 0, second = 0;
        for(int item : nums){
            max = item &gt; max ? item : max;
            second = (item &gt; second &amp;&amp; item &lt; max) ? i]]></description><category></category></item><item><title><![CDATA[java8利用Stream统计字符串中各个字符出现次数]]></title><link>https://blog.youkuaiyun.com/java_zh6/article/details/108588574</link><guid>https://blog.youkuaiyun.com/java_zh6/article/details/108588574</guid><author>java_zh6</author><pubDate>Mon, 14 Sep 2020 21:28:43 +0800</pubDate><description><![CDATA[话不多说   上代码
String str = "abjdskajdklwqklwjkasljdksal";
        Map&lt;String, Long&gt; collect = Stream.of(str.split("")).collect(Collectors.groupingBy(String::toString, Collectors.counting()));
        System.out.println(JSON.toJSONString(collect));

完事儿！]]></description><category></category></item><item><title><![CDATA[java8-stream排序去重等操作]]></title><link>https://blog.youkuaiyun.com/java_zh6/article/details/107564023</link><guid>https://blog.youkuaiyun.com/java_zh6/article/details/107564023</guid><author>java_zh6</author><pubDate>Fri, 24 Jul 2020 16:28:29 +0800</pubDate><description><![CDATA[找出list对象中某个字段重复的值对List对象集合某个字段进行排重根据list对象中的两个字段进行排序，字段有空的就放最后
List&lt;String&gt; list =orderList.stream().
            collect(Collectors.groupingBy(OrderViewModel::getPcno,Collectors.counting()))
            .entrySet().stream()
            .filter(entry]]></description><category></category></item></channel></rss>