<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Hollo_Java的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Hollo_Java</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Hollo_Java]]></copyright><item><title><![CDATA[Java实现 已知List<String> list = new ArrayList<String>();list .add("张三丰,北京");......要求：求出每个地区有多少人，都是谁？]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/99077775</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/99077775</guid><author>Hollo_Java</author><pubDate>Sat, 10 Aug 2019 15:19:27 +0800</pubDate><description><![CDATA[题目：                      已知 List&lt;String&gt; list = new ArrayList&lt;String&gt;();
                                  list .add("张三丰,北京");
...]]></description><category></category></item><item><title><![CDATA[Java实现 "If you want to change your fate I think you must come to the ujiuye to learn java" 打印每个单词的次数]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/99055020</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/99055020</guid><author>Hollo_Java</author><pubDate>Sat, 10 Aug 2019 10:20:10 +0800</pubDate><description><![CDATA[题目：分析以下需求，并用代码实现：
 (1)统计每个单词出现的次数
 (2)有如下字符串"If you want to change your fate I think you must come to the ujiuye to learn java"(用空格间隔)
 (3)打印格式：
     to=3
   think=1
   you...]]></description><category></category></item><item><title><![CDATA[Java实现 String s = "...(...[....]....{....}..)...(...)..";  判断括号是否匹配]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/98791419</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/98791419</guid><author>Hollo_Java</author><pubDate>Wed, 07 Aug 2019 22:30:09 +0800</pubDate><description><![CDATA[题目：String s = "...(...[....]....{....}..)...(...).."; 判断括号是否匹配


import java.util.Stack;

public class Csdn{
	public static void main(String[] args) {
		String s = "...(...[....]....{....}..)...(......]]></description><category></category></item><item><title><![CDATA[Java实现：递归输出三角形]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/98661311</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/98661311</guid><author>Hollo_Java</author><pubDate>Tue, 06 Aug 2019 21:08:04 +0800</pubDate><description><![CDATA[题目：递归输出


     *
    * *
   * * *
  * * * *
 * * * * * 
   

递归：就是在本方法中直接或间接的调用自身（本人的理解），需要注意栈溢出的错误

关于此题，找准规律。


public class Csdn{
    public static void main(String[] args) {
	recursion(1,5);
    }...]]></description><category></category></item><item><title><![CDATA[Java实现：String类型  (1)从键盘循环录入录入一个字符串，输入"end"表示结束   (2)将字符串中大写字母变成小写字母，小写字母变成大写字母，其它字符用"*"代替，并统计字母的个数]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/98655717</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/98655717</guid><author>Hollo_Java</author><pubDate>Tue, 06 Aug 2019 20:16:41 +0800</pubDate><description><![CDATA[题目：分析以下需求，并用代码实现：(1)从键盘循环录入录入一个字符串，输入"end"表示结束
     (2)将字符串中大写字母变成小写字母，小写字母变成大写字母，其它字符用"*"代替，并统计字母的个数
       举例：键盘录入：Hello12345World
       输出结果：hELLO*****wORLD
   总共10个字...]]></description><category></category></item><item><title><![CDATA[Java实现：产生1到10之间的随机整数，把这些随机整数装入一个10个长度的数据。要求，数组中数据不能重复]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/98648992</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/98648992</guid><author>Hollo_Java</author><pubDate>Tue, 06 Aug 2019 19:13:24 +0800</pubDate><description><![CDATA[题目：产生1到10之间的随机整数，把这些随机整数装入一个10个长度的数据。要求，数组中数据不能重复

第一种方法：


public class Csdn{
	public static void main(String[] args) {
	    int[] nums = new int[10];
	    int num;
	    for(int i = 0;i &lt; nums.l...]]></description><category></category></item><item><title><![CDATA[Java  String类型入门  String str= "abc  god     中国                java"反转每个单词]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/98620125</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/98620125</guid><author>Hollo_Java</author><pubDate>Tue, 06 Aug 2019 15:14:30 +0800</pubDate><description><![CDATA[题目：String  str= “abc  god     中国                java” （每个单词之间有若干个空格符：比如"abc" 与 "god"之间就可以有一个或多个空格符）反转每个单词，控制台输出结果：“cba  dog     国中                avaj”（优快云后台文本编写问题，无法显示多个空格符）
思路
将String str通过.split("...]]></description><category></category></item><item><title><![CDATA[Java实现 打印三角形]]></title><link>https://blog.youkuaiyun.com/Hollo_Java/article/details/98526713</link><guid>https://blog.youkuaiyun.com/Hollo_Java/article/details/98526713</guid><author>Hollo_Java</author><pubDate>Mon, 05 Aug 2019 22:10:29 +0800</pubDate><description><![CDATA[Java实现 打印三角形

直角三角形

import java.util.Scanner;
public class 优快云 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);	//监听键盘输入
		int n = sc.nextInt();		//等待输入一个int类型的数据n
...]]></description><category></category></item></channel></rss>