<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[为谁写代码 ]]></title><description><![CDATA[2017年春节之前要做的事情]]></description><link>https://blog.youkuaiyun.com/zouyang2014</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; zouyang2014]]></copyright><item><title><![CDATA[选择排序]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/100748426</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/100748426</guid><author>zouyang2014</author><pubDate>Wed, 11 Sep 2019 20:38:32 +0800</pubDate><description><![CDATA[/*
* 选择排序的研究
*
* */

package day9yue11;

import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.Action...]]></description><category></category></item><item><title><![CDATA[可变参数研究]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/100185984</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/100185984</guid><author>zouyang2014</author><pubDate>Sun, 01 Sep 2019 18:21:36 +0800</pubDate><description><![CDATA[/*可变参数的研究，可变参数底层是数组，
* 确定这个结论之后要实际验证测试
*
* */

package day9yue1;

public class Test1 {
 
 public void test(String[] s)
 {}
 /*
  * 如果这2个方法都叫test，编译错误，说明参数是一模一样，没有重载
  * 结论 String...]]></description><category></category></item><item><title><![CDATA[python人脸识别]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/97649238</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/97649238</guid><author>zouyang2014</author><pubDate>Mon, 29 Jul 2019 16:11:00 +0800</pubDate><description><![CDATA[https://blog.youkuaiyun.com/qq_32892383/article/details/91347164
]]></description><category></category></item><item><title><![CDATA[声明创建一个数组，它的元素是int类型的数组]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/97617529</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/97617529</guid><author>zouyang2014</author><pubDate>Sun, 28 Jul 2019 18:13:35 +0800</pubDate><description><![CDATA[/*
 * 如果声明一个数组，它的元素也是int类型的数组怎么声明，记住了
 * 
 * */

package day7yue28;

public class ErWeiArrTest {
	
	public static void main(String[] args) {
		
		//创建了一个一维数组对象，长度是5，它的元素也是一维数组，这个一维数组元素也是int
		
		int[...]]></description><category></category></item><item><title><![CDATA[数组内存示意图]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/97617258</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/97617258</guid><author>zouyang2014</author><pubDate>Sun, 28 Jul 2019 17:52:32 +0800</pubDate><description><![CDATA[package day7yue28;

public class Persion {
	
	public int age ;
	public double height;
	
	public void info()
	{
		System.out.println("我的年龄是"+age+",我的身高是"+height);
	}
	
	
	public static void main(Strin...]]></description><category></category></item><item><title><![CDATA[直接插入排序]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/96692798</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/96692798</guid><author>zouyang2014</author><pubDate>Sun, 21 Jul 2019 09:05:23 +0800</pubDate><description><![CDATA[/*插入排序的研究
 * 
 * https://blog.youkuaiyun.com/qq1641530151/article/details/80550296
 * 
public int[] insertSort(int[] array){
	
	//直接插入排序
			//在排序之前我们需要搞清一个思路，新插入一个数据的时候，排序过后的数组都是
			//从小到大排列好的，所以我们需要从后往前查找...]]></description><category></category></item><item><title><![CDATA[快速排序-背下来]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/96631000</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/96631000</guid><author>zouyang2014</author><pubDate>Sat, 20 Jul 2019 20:59:23 +0800</pubDate><description><![CDATA[/*
 * 快速排序
 * 分治法和递归
 * 
 * 要背的滚瓜烂熟，代码要背的滚瓜烂熟，多多积累大量代码
 * */

package day7yue20;

public class QuikSort {

	public static void main(String[] args) {
		int arr[] = { 100, 2, 5, 1, 87, 34 };
		quickSor...]]></description><category></category></item><item><title><![CDATA[求最小值（图形界面、数组）]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/96431684</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/96431684</guid><author>zouyang2014</author><pubDate>Thu, 18 Jul 2019 15:18:40 +0800</pubDate><description><![CDATA[package day7yue12;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOpt...]]></description><category></category></item><item><title><![CDATA[冒泡排序和优化]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/96431431</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/96431431</guid><author>zouyang2014</author><pubDate>Thu, 18 Jul 2019 15:10:07 +0800</pubDate><description><![CDATA[/*
 * 计算机中解决问题，一定要学会问题分解，先解决比这个容易解决的问题，再慢慢加深
 * 比如：我要对数组排序，那么我能不能先求数组的最小值，放在第一个位置，这样一来反复执行这个操作，就能排序了
 * 比如：我要求子数组的排序，那么我先解决整个数组的排序，然后在改进代码，变成子数组的排序
 * */

package day7yue18;

public class ArraySort ...]]></description><category></category></item><item><title><![CDATA[PrepparedStatement--预编译]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/83508696</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/83508696</guid><author>zouyang2014</author><pubDate>Mon, 29 Oct 2018 16:54:37 +0800</pubDate><description><![CDATA[
/*
 预编译 sql语句，代码全部背下来
use zou;

#预编译执行查询，这一步预编译只需要执行一次
prepare showUsersByLikeName from 'select * from test1011 where table_name like ?';

select * from test1011;

set @table_name = '%test%';

#预编译查询...]]></description><category></category></item><item><title><![CDATA[Mysql-jdbc典型案例-要背诵]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/83309520</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/83309520</guid><author>zouyang2014</author><pubDate>Tue, 23 Oct 2018 16:56:42 +0800</pubDate><description><![CDATA[
package day10yue22;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLEx...]]></description><category></category></item><item><title><![CDATA[利用异或进行密码加密]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/78439379</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/78439379</guid><author>zouyang2014</author><pubDate>Fri, 03 Nov 2017 20:20:49 +0800</pubDate><description><![CDATA[/*
 * 程序功能：
 * 简单的异或进行加密
 * */

package day11yue3;

import java.util.*;

public class Example {
	public static void main(String[] args) {
		//输入扫描器
		Scanner sc = new Scanner(System.in);
		
	
		//获取输入]]></description><category></category></item><item><title><![CDATA[9月27 对象序列化和反序列化基本实现流程]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/78116420</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/78116420</guid><author>zouyang2014</author><pubDate>Wed, 27 Sep 2017 19:45:06 +0800</pubDate><description><![CDATA[1 必须实现Serializable, 才可序列化！！先学实现这个接口。
//对象序列化例子

import java.io.*;

public class Objectse
{
	public static void main(String[] args)throws Exception
	{
		Persion p = new Persion("邹阳");


		//开始对Persion]]></description><category></category></item><item><title><![CDATA[包装流和转换流]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/77995309</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/77995309</guid><author>zouyang2014</author><pubDate>Fri, 15 Sep 2017 20:16:02 +0800</pubDate><description><![CDATA[/*重定向流： 
 * 1 针对标准输入输出，比如 System.out.println() 默认打印到控制台或者屏幕，那么屏幕就是节点
 *   现在把节点重定向，打印到某个文件里面
 *   
 * 2 System.in  键盘输入流，源是键盘，从键盘读取内容，重定向之后可以从文件或者其他地方读取内容
 * 
 * 
 * FileReader 节点是File 构造方法里面传F]]></description><category></category></item><item><title><![CDATA[推回输入流]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/77941083</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/77941083</guid><author>zouyang2014</author><pubDate>Tue, 12 Sep 2017 09:12:12 +0800</pubDate><description><![CDATA[没有推回输出流
package day9yue11;

import java.io.*;
public class PushbackTest {
	public static void main(String[] args) throws Exception {
		//先创建文件回推流对象pr，缓冲为64
		PushbackReader pr = new PushbackReader(ne]]></description><category></category></item><item><title><![CDATA[python--可变对象作为默认参数]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/77905733</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/77905733</guid><author>zouyang2014</author><pubDate>Sat, 09 Sep 2017 09:24:12 +0800</pubDate><description><![CDATA[def extendList(val , list = []):
list.append(val)

return list


这个默认参数 list = [] 只要不重新赋值，list指向的地址永远不变，切记切记！


def extendList(val , list = []):
	list.append(val)
	return list

list1 = extend]]></description><category></category></item><item><title><![CDATA[随机读取数组元素]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/77415891</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/77415891</guid><author>zouyang2014</author><pubDate>Sat, 19 Aug 2017 19:56:38 +0800</pubDate><description><![CDATA[思路：只要随机产生数组下标，就是随机读取的数组元素
           int len = age.length;


  // age[new Random().nextInt(len) 产生1个随机下标，不会越界的下标
  System.out.println(age[new Random().nextInt(len)]);

//随机读取数组元素

import java.u]]></description><category></category></item><item><title><![CDATA[FileWiter  --文件输出字符流]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/77402641</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/77402641</guid><author>zouyang2014</author><pubDate>Sat, 19 Aug 2017 10:09:49 +0800</pubDate><description><![CDATA[import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class WriterTest {
	public static void main(String[] args) {
		try {
			
			//流建立好了，开始往流里面输出数据，最终数据流淌到File里面，类比思维，类比]]></description><category></category></item><item><title><![CDATA[笔记--FileReader]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/77387575</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/77387575</guid><author>zouyang2014</author><pubDate>Fri, 18 Aug 2017 20:59:46 +0800</pubDate><description><![CDATA[文件字符输入流 ：
源数据是 File类型
读取最小单位是字符char
缓冲 char[] ch = new char[32]


/* 日期 ：2017-08-18 
 * 
 * 字符输入流测试 Reader  <--  FileReader
 * 
 * 
 * 明天学习 OutputStream Writer
 * */

package day8yue18;

import ]]></description><category></category></item><item><title><![CDATA[递归 全排列]]></title><link>https://blog.youkuaiyun.com/zouyang2014/article/details/77370400</link><guid>https://blog.youkuaiyun.com/zouyang2014/article/details/77370400</guid><author>zouyang2014</author><pubDate>Fri, 18 Aug 2017 15:20:20 +0800</pubDate><description><![CDATA[]]></description><category></category></item></channel></rss>