pickerel

[code="java"] FileOutputStream fos = new FileOutputStream("test.txt"); Writer out = new OutputStreamWriter(fos, "utf-8"); out.write(contentString); ...

我要在Java中调一个外部命令，于是写了以下代码[code="java"]Process p = Runtime.getRuntime().exec("my command ...");int c = p.waitFor();if (c != 0){ System.out.prinln("处理失败"); BufferedReader br = new B...

使用　quartz　1.6.0 的时候遇到这个错误：java.lang.NoClassDefFoundError: javax/transaction/UserTransaction. 解决办法：到 http://java.sun.com/products/jta/ 下载 Java Transaction API classes 的zip包，解压然后用命令jar cf jta.jar javax ...