importjava.io.BufferedReader;importjava.io.IOException;importjava.io.InputStreamReader;publicclassCommandInjectionExample{publicstaticvoidmain(String[]args)throwsIOException{Stringcommand="echo "+userInput;// 用户输入的命令String[]cmd={"/bin/sh","-c",command};// 构建执行命令的参数数组Processprocess=R...
(2)打开命令行窗口 在运行窗口中,输入cmd(命令command的简写),回车即可进入命令行窗口,如图1.15所示。命令行是系统附带的DOS程序,可以执行常用的DOS命令。 图1.15 命令行窗口 (3)测试编译器命令 输入“javac”命令,将出现如图1.16所示的界面,说明javac编译源文件命令(bin目录下的javac.exe)正常使用,即是Path环境...
BufferedReader buffer = new BufferedReader(new InputStreamReader(socket.getInputStream())); String line = null; while (running && (line = buffer.readLine()) != null && "bye".equals(line)) { logger.info("receive command : bye"); running = false; } buffer.close(); socket.close(); s...
{@code ProcessBuilder pb = new ProcessBuilder("myCommand", "myArg1", "myArg2"); Map<String, String> env = pb.environment(); env.put("VAR1", "myValue"); env.remove("OTHERVAR"); env.put("VAR2", env.get("VAR1") + "suffix"); pb.directory(new File("myDir")); File log =...
Command-line options. SeeOverview of javac Options. sourcefiles One or more source files to be compiled (such asMyClass.java) or processed for annotations (such asMyPackage.MyClass). Description Thejavaccommand reads class and interface definitions, written in the Java programming language, and ...
If you want to monitor a specific application, and you know that application's process ID, then you can also start JConsole so that it connects to that application. This application must be running with the same user ID as JConsole. The command syntax to start JConsole for local monitoring ...
publicstaticvoidmain(String[]args)throws IOException{ProcessBuilder builder=newProcessBuilder();List<String>list=newArrayList<>();list.add("cmd.exe");list.add("/c");list.add("dir");list.add("d:\\");Process process=builder.command(list).start();InputStream inputStream=process.getInputStream(...
jcommander Command line parsing framework for Java. http://jcommander.org/ License: Apache 2 , . Jline JLine is a Java library for handling console input. It is similar in functionality to BSD editline and GNU readline. People familiar with the readline/editline capabilities for modern shell...
To set the entity expansion limit using the system property, use an option like the following on the java command line:-DentityExpansionLimit=100000 New parser property to disallow DTDs The application can also set thehttp://apache.org/xml/features/disallow-doctype-declparser property to true. ...
Reduces the ceremony of writing simple programs such as scripts and command-line utilities. Does not introduce a separate beginner's dialect of Java. Does not introduce a separate beginners' toolchain; student programs should be compiled and run with the same tools that compile and run any Java...