https://blog.youkuaiyun.com/lyk621xzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/lyk621x/article/details/83733847https://blog.youkuaiyun.com/lyk621x/article/details/83733847lyk621xTue, 19 Oct 2010 13:21:26 +0800https://blog.youkuaiyun.com/lyk621x/article/details/83701390https://blog.youkuaiyun.com/lyk621x/article/details/83701390lyk621xSun, 29 Aug 2010 13:26:05 +0800https://blog.youkuaiyun.com/lyk621x/article/details/83701385https://blog.youkuaiyun.com/lyk621x/article/details/83701385lyk621xSun, 29 Aug 2010 12:52:53 +0800https://blog.youkuaiyun.com/lyk621x/article/details/83701383https://blog.youkuaiyun.com/lyk621x/article/details/83701383lyk621xSun, 29 Aug 2010 12:45:02 +0800https://blog.youkuaiyun.com/lyk621x/article/details/83701341https://blog.youkuaiyun.com/lyk621x/article/details/83701341lyk621xSun, 29 Aug 2010 10:36:30 +0800https://blog.youkuaiyun.com/lyk621x/article/details/83701324https://blog.youkuaiyun.com/lyk621x/article/details/83701324lyk621xSun, 29 Aug 2010 08:40:28 +0800https://blog.youkuaiyun.com/lyk621x/article/details/83701323https://blog.youkuaiyun.com/lyk621x/article/details/83701323lyk621xSun, 29 Aug 2010 08:07:06 +0800https://blog.youkuaiyun.com/lyk621x/article/details/83700058https://blog.youkuaiyun.com/lyk621x/article/details/83700058lyk621xThu, 26 Aug 2010 15:57:02 +0800https://blog.youkuaiyun.com/lyk621x/article/details/5832977https://blog.youkuaiyun.com/lyk621x/article/details/5832977lyk621xMon, 23 Aug 2010 21:04:00 +08001.
switch(){
    case 1:
    xxx
    break;
 
    yyy
 
 
    default:
    xxx;
    break;
}
 
如果没有default,将从头执行到尾
 
 
 
 
 
 
 
 
 https://blog.youkuaiyun.com/lyk621x/article/details/5832949https://blog.youkuaiyun.com/lyk621x/article/details/5832949lyk621xMon, 23 Aug 2010 20:51:00 +08001. i++,++i
2.& && | ||
&& || 会短路(即前一个为false或true,后面就不运行)
3.顺序
++--
*/
+-
>><<
><
=!=
&
|
&&
||
 
 
 
 
 
 
 
 
 
 
 
 
]]>https://blog.youkuaiyun.com/lyk621x/article/details/5832827https://blog.youkuaiyun.com/lyk621x/article/details/5832827lyk621xMon, 23 Aug 2010 19:53:00 +0800变量命名:
1.字母,下划线,美元 做为开头
2.字母,下划线,美元,数字 做为其余部分
 
基本类型
byte short int long float double boolean char
 
byte:占1个字节,-2^7 - 2^7-1
short:占2个字节,-2^15 - 2^15-1
int:占4个字节,-2^31 - 2^31-1
long:占8个字节,-2^63 - 2^63-]]>https://blog.youkuaiyun.com/lyk621x/article/details/5832797https://blog.youkuaiyun.com/lyk621x/article/details/5832797lyk621xMon, 23 Aug 2010 19:34:00 +0800编译->CLASS文件->JVM读取->JVM解释JRE=JVM+Runtime InterpreteJRE功能:1.Class Loader(加载代码)2.Byte Code Verify(验证代码)3.Runtime Interprete(执行代码)GC:在JVM空闲时自动运行,人为无法干预JDK:Java Development Kits1.Java编译器2.Java运行时解释器3.Java应]]>https://blog.youkuaiyun.com/lyk621x/article/details/4275128https://blog.youkuaiyun.com/lyk621x/article/details/4275128lyk621xWed, 17 Jun 2009 03:04:00 +0800https://blog.youkuaiyun.com/lyk621x/article/details/4275126https://blog.youkuaiyun.com/lyk621x/article/details/4275126lyk621xWed, 17 Jun 2009 02:49:00 +0800https://blog.youkuaiyun.com/lyk621x/article/details/4275117https://blog.youkuaiyun.com/lyk621x/article/details/4275117lyk621xWed, 17 Jun 2009 02:22:00 +0800https://blog.youkuaiyun.com/lyk621x/article/details/4275097https://blog.youkuaiyun.com/lyk621x/article/details/4275097lyk621xWed, 17 Jun 2009 01:54:00 +0800https://blog.youkuaiyun.com/lyk621x/article/details/4275086https://blog.youkuaiyun.com/lyk621x/article/details/4275086lyk621xWed, 17 Jun 2009 01:39:00 +0800https://blog.youkuaiyun.com/lyk621x/article/details/4275056https://blog.youkuaiyun.com/lyk621x/article/details/4275056lyk621xWed, 17 Jun 2009 01:17:00 +0800https://blog.youkuaiyun.com/lyk621x/article/details/4265348https://blog.youkuaiyun.com/lyk621x/article/details/4265348lyk621xSat, 13 Jun 2009 01:45:00 +0800https://blog.youkuaiyun.com/lyk621x/article/details/3607850https://blog.youkuaiyun.com/lyk621x/article/details/3607850lyk621xThu, 25 Dec 2008 23:18:00 +0800