<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[cxyyfs的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/cxyyfs</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; cxyyfs]]></copyright><item><title><![CDATA[Java中Integer的最大值和最小值, 占用字节数]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/88049414</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/88049414</guid><author>cxyyfs</author><pubDate>Fri, 01 Mar 2019 09:50:37 +0800</pubDate><description><![CDATA[Java中Integer的最大值和最小值, 占用字节数
/**
 * Java中Integer的最大值和最小值, 占用字节数
 * 
 * Java中的int的取值范围
 * 
 * @author www.only-demo.com
 *
 */
class IntMinMaxValueDemo {
 
    public static void main(String args[]) {
 ...]]></description><category></category></item><item><title><![CDATA[java生成指定范围的随机数]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/88049380</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/88049380</guid><author>cxyyfs</author><pubDate>Fri, 01 Mar 2019 09:48:54 +0800</pubDate><description><![CDATA[java生成指定范围的随机数
import java.util.Random;
 
/**
 * java生成指定范围的随机数
 *
 * @author www.only-demo.com
 *
 */
class IntRangeRandomDemo {
    private static final Random RANDOM = new Random();
     
    publi...]]></description><category></category></item><item><title><![CDATA[Java类型转换: int转double]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87894237</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87894237</guid><author>cxyyfs</author><pubDate>Sat, 23 Feb 2019 16:52:10 +0800</pubDate><description><![CDATA[标题Java类型转换: int转double
由于double的范围比int数据类型大，所以当int值被赋给double时，java会自动将int值转换为double。

隐式转换：由于double数据类型的范围和内存大小都比int大，因此从int到double的转换是隐式的。并不需要像double to int转换那样进行类型转换;
使用Double.valueOf()方法

/**
 * Ja...]]></description><category></category></item><item><title><![CDATA[Java 类型转换: int转换成String]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87894167</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87894167</guid><author>cxyyfs</author><pubDate>Sat, 23 Feb 2019 16:48:24 +0800</pubDate><description><![CDATA[Java 类型转换: int转换成String
import java.text.DecimalFormat;
 
/**
 * 类型转换: int转换成String
 * 
 * 五种方法将int转换成String:
 * 1.使用String.valueOf(int)方法
 * 2.使用int的toString(int)方法
 * 3.使用String.format()方法
 * 4.使用De...]]></description><category></category></item><item><title><![CDATA[int和Integer的区别]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87894137</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87894137</guid><author>cxyyfs</author><pubDate>Sat, 23 Feb 2019 16:46:15 +0800</pubDate><description><![CDATA[int和Integer的区别 , int vs Integer

Integer是int的包装类，int则是java的一种基本数据类型
Integer变量必须实例化后才能使用，而int变量不需要
Integer实际是对象的引用，当new一个Integer时，实际上是生成一个指针指向此对象；而int则是直接存储数据值
Integer的默认值是null，int的默认值是0

/**
 * int和In...]]></description><category></category></item><item><title><![CDATA[Java Integer.toHexString()方法]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87894099</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87894099</guid><author>cxyyfs</author><pubDate>Sat, 23 Feb 2019 16:43:33 +0800</pubDate><description><![CDATA[Java Integer.toHexString()方法
/**
 * 
 * Java Integer.toHexString()方法
 * 
 * @author www.only-demo.com
 *
 */
class IntegerToHexStringDemo {
    public static void main(String[] args) {
        //1.如果是...]]></description><category></category></item><item><title><![CDATA[Java 16进制和int互转]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87894073</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87894073</guid><author>cxyyfs</author><pubDate>Sat, 23 Feb 2019 16:42:13 +0800</pubDate><description><![CDATA[/**
 * Java 16进制和int互转
 * Java Integer.toHexString()方法
 * 
 * @author www.only-demo.com
 *
 */
class IntHexConverterDemo {
     
    public static void main(String[] args) {
        //1.无符号整型,
       ...]]></description><category></category></item><item><title><![CDATA[Java 将char数组通过分隔符连接成一个字符串]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87852988</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87852988</guid><author>cxyyfs</author><pubDate>Thu, 21 Feb 2019 06:26:32 +0800</pubDate><description><![CDATA[Java 将char数组通过分隔符连接成一个字符串
源码
/**
 * 将char数组通过分隔符连接成一个字符串
 * 
 * @author www.only-demo.com
 *
 */
class CharArrayJoinDemo {
     
      public static String join(String separator, char... array) {
    ...]]></description><category></category></item><item><title><![CDATA[Java 获取char数组中出现的最大值]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87852827</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87852827</guid><author>cxyyfs</author><pubDate>Thu, 21 Feb 2019 06:23:21 +0800</pubDate><description><![CDATA[Java 获取char数组中出现的最大值
源码
/**
 * 获取char数组中出现的最大值。
 * 
 * @author www.only-demo.com
 *
 */
class CharArrayMaxValueDemo {
 
    public static char max(char... array) {
        if (array.length == 0) {
   ...]]></description><category></category></item><item><title><![CDATA[Java 获取char数组中出现的最小值]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87852691</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87852691</guid><author>cxyyfs</author><pubDate>Thu, 21 Feb 2019 06:20:39 +0800</pubDate><description><![CDATA[Java 获取char数组中出现的最小值
源码
/**
 * 获取char数组中出现的最小值。
 * 
 * @author www.only-demo.com
 *
 */
class CharArrayMinValueDemo {
 
    public static char min(char... array) {
        if (array.length == 0) {
   ...]]></description><category></category></item><item><title><![CDATA[Java 将多个char数组组合到单个char数组中]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87852535</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87852535</guid><author>cxyyfs</author><pubDate>Thu, 21 Feb 2019 06:17:38 +0800</pubDate><description><![CDATA[Java 将多个char数组组合到单个char数组中的值
源码
/**
 * 类型转换: char转int
 * 
 * 1.char-'0' 将char转int
 * 2.Character.getNumericValue(char ch) 将char转int
 * 
 * @author www.only-demo.com
 *
 */
class CharToIntDemo {
    pu...]]></description><category></category></item><item><title><![CDATA[Java 类型转换: char转int]]></title><link>https://blog.youkuaiyun.com/cxyyfs/article/details/87829214</link><guid>https://blog.youkuaiyun.com/cxyyfs/article/details/87829214</guid><author>cxyyfs</author><pubDate>Wed, 20 Feb 2019 22:47:16 +0800</pubDate><description><![CDATA[类型转换: char转int
源码
package com.onlydemo.javalang;
 
/**
 * 类型转换: char转int
 * 
 * 1.char-'0' 将char转int
 * 2.Character.getNumericValue(char ch) 将char转int
 * 
 * @author www.only-demo.com
 *
 */
class Cha...]]></description><category></category></item></channel></rss>