Java实现的utf8,gbk,unicode编码相互转换的代码 public class UTF2GBK { public String gbk2utf8(String gbk)…
AndroidManifest.xml中添加 <receiver android:name=".receive"> <intent-filte…
Android系统下监听SD卡的插入并读取内容 //自己写一个广播监听函数 private final BroadcastReceiver broadcastRec = new B…
一份精辟的俄罗斯方块源码(335行) import java.awt.*; import java.awt.event.ActionEvent; import java.awt.e…
Android 平台提供了两类动画。 一类是Tween动画,就是对场景里的对象不断的进行图像变化来产生动画效果(旋转、平移、放缩和渐变)。 下面就讲一下Tweene …
// 测试二叉树遍历,递归算法 public class TestBinaryTree { public static void main(String[] args) { Nod…
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//RunningServicesInfo public static String getRunningServicesInfo(Context context) { Strin…
正则表达式概念 正则表达式使用单个字符串来描述、匹配一系列符合某个句法规则的字符串。正则表达式可以用形式化语言理论的方式来表达,它由常量和算子组成,它们分别指示字符串的…
import java.util.EmptyStackException; import java.util.Stack; public class CaculateFunctio…
1 批量删除是调用sql引擎执行sql语句。批量插入有两种方式,a:自己拼接出一条sql语句 b:利用hibernate的session一级缓存,每多少条刷新缓存存入数据库 @Co…
import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import…
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