摘要:
This list summarizes the top 10 mistakes that Java developers frequently make.#1. Convert Array to ArrayListTo convert an array to anArrayList, develo...
阅读全文
posted @ 2014-05-19 16:33
一天不进步,就是退步
阅读(342)
推荐(0)
摘要:
reference from:http://www.programcreek.com/2013/09/top-10-questions-for-java-collections/The following are the most popular questions of Java collecti...
阅读全文
posted @ 2014-05-19 16:31
一天不进步,就是退步
阅读(305)
推荐(0)
摘要:
来源:http://xinklabi.iteye.com/blog/837435Java在运行已编译完成的类时,是通过java虚拟机来装载和执行的,java虚拟机通过操作系统命令JAVA_HOME\bin\java –option 来启动,-option为虚拟机参数,JAVA_HOME为JDK安装路...
阅读全文
posted @ 2014-05-15 17:31
一天不进步,就是退步
阅读(850)
推荐(0)
摘要:
xml属性必须用引号“”,不能缺少。
阅读全文
posted @ 2014-05-15 16:37
一天不进步,就是退步
阅读(709)
推荐(0)
摘要:
I ran into this error the first time I restarted Weblogic on one of my installs, the only reference that I was able to find is the error description b...
阅读全文
posted @ 2014-05-15 16:36
一天不进步,就是退步
阅读(19134)
推荐(0)
摘要:
This post is covering one of the Java built-in concepts calledFinalizer. This concept is actually both well-hidden and well-known, depending whether y...
阅读全文
posted @ 2014-05-14 11:02
一天不进步,就是退步
阅读(831)
推荐(0)
摘要:
Stringis an immutable class in Java. An immutable class is simply a class whose instances cannot be modified. All information in an instance is initia...
阅读全文
posted @ 2014-05-14 10:43
一天不进步,就是退步
阅读(385)
推荐(0)
摘要:
前面介绍过在Linux中如何查看文件的属性,在Linux文件权限详解中我们介绍了Linux文件的三种身份和四种权限,三种身份分别为:u:文件的拥有者g:文件所属的群组o:其他用户对于每个身份,又有四种权限,分别为:r:读取文件的权限(read)w:写入文件的权限(write)x:执行的权限(exec...
阅读全文
posted @ 2014-05-13 21:58
一天不进步,就是退步
阅读(748)
推荐(0)
摘要:
1.简介sed是非交互式的编辑器。它不会修改文件,除非使用shell重定向来保存结果。默认情况下,所有的输出行都被打印到屏幕上。sed编辑器逐行处理文件(或输入),并将结果发送到屏幕。具体过程如下:首先sed把当前正在处理的行保存在一个临时缓存区中(也称为模式空间),然后处理临时缓冲区中的行,完成后...
阅读全文
posted @ 2014-05-13 18:25
一天不进步,就是退步
阅读(361)
推荐(0)
摘要:
I am using the Spring SimpleFormControllerexampleto illustrate the build process. The figure below shows the structure of the web application.All the ...
阅读全文
posted @ 2014-05-13 11:28
一天不进步,就是退步
阅读(408)
推荐(0)