Getting Started for 2.0 MVEL is very easy to use, and just as easy to integrate into your application. Let's take a quick look at a simple MVEL expression: foo.name == "Mr. Foo" This simple expression asks MVEL if the value of foo.name is equal to "
逆波兰式表达式计算引擎 ReversePolishExpression Tool V1.0.1 Feature 1.Attention! the input expression isn't allowed to constants Invalid Characters like '_、#' 2.It's supported the calculation of div(/) mod(%) sqrt(_) mul(*) sub(-) pow(^) 3.The Usage: there is n
FreeMarker的模板文件并不比HTML页面复杂多少,FreeMarker模板文件主要由如下4个部分组成: 1,文本:直接输出的部分 2,注释:格式部分,不会输出 3,插值:即${...}或#{...}格式的部分,将使用数据模型中的部分替代输出 4,FTL指令:FreeMarker指定,和HTML标记类似,名字前加#予以区分,不会输出 下面是一个FreeMarker模板的例子,包含了以上所说的4个部分 Welcome! Welcome ${user} ! We have the
Java Basics 1. What is the difference between JDK and JRE? 2. What is Java Virtual Machine (JVM)? 3. What are the different types of memory areas allocated by JVM? 4. What is JIT compiler? 5. How Java platform is different from other platforms? 6. W
BitMap bigdata sort number a pratise of bigdata sorting，use some common util or class，like File，FileOutputStream，RandomAccessFile，HashMap，BufferedOutputStream，ByteBuffer，MappedByteBuffer，FileInputStream. as a newer of java，code mind be unreasonable，
