e091. sending input to a command.txt

这里面包含了一百多个JAVA源文件

try {
        // Execute command
        String command = "cat";
        Process child = Runtime.getRuntime().exec(command);
    
        // Get output stream to write from it
        OutputStream out = child.getOutputStream();
    
        out.write("some text".getBytes());
        out.close();
    } catch (IOException e) {
    }