public class ArrayListDemo {
    public static void main(String[] args) {
        
        //用Scanner类，可以轻松获得commander的输入
        Scanner scanner = new Scanner(System.in);
        
        List<String> list = new ArrayList<String>();
        
        //在控制台输入，quit退出
        while(true) {
            System.out.print("Rokey@console# ");
            String input = scanner.next();
            if(input.equals("quit")) {
                break;
            }
            list.add(input);
        }
        
        System.out.print("显示输入：");
        
        //使用5.0的foreach功能对List进行遍历
        for(String s:list) {
            //5.0的类C的输出格式
            System.out.printf("%s ",s);
        }
    }
}

Rokey@console# 一二三
Rokey@console# 三二一
Rokey@console# quit
显示输入：一二三 三二一 

/**
 *
 * @author Rokey
 * 用LinkedList构建一个字符栈，先进先出
 */
public class StringStack {

    private LinkedList<String> linkList;

    public StringStack() {
        linkList = new LinkedList<String>();
    }

    public void push(String s) {
        //将元素加入链表第一个位置
        linkList.addFirst(s);
    }

    public String pop() {
        //删除链表第一个元素，并返回
        return linkList.removeFirst();
    }

    public String top() {
        //返回链表第一个元素，但并不删除
        return linkList.getFirst();
    }

    public boolean isEmpty() {
        //检查链表是否为空
        return linkList.isEmpty();
    }
}

public class StringStackDemo {

    public static void main(String[] args) {

        //用Scanner类，可以轻松获得commander的输入
        Scanner scanner = new Scanner(System.in);

        StringStack stack = new StringStack();

        //在控制台输入，quit退出
        while (true) {
            System.out.print("Rokey@console# ");
            String input = scanner.next();
            if (input.equals("quit")) {
                break;
            }
            stack.push(input);
        }

        System.out.print("显示输入：");
        //使用5.0的foreach功能对List进行遍历
        
        while(!stack.isEmpty()) {
            //5.0的类C的输出格式
            System.out.printf("%s ", stack.pop());
        }
    }
}

Rokey@console# 一二三
Rokey@console# 三二一
Rokey@console# quit
显示输入：三二一 一二三 

ServletInputStream sis =  request.getInputStream();
InputStreamReader isr = new InputStreamReader(sis);
             
int ch;
while((ch = isr.read()) != -1 ) {          
   out.println((char)ch);
}
             
System.out.flush();

-----------------------------7d7ea23120550 
Content-Disposition: form-data; name="file1"; 
filename="C:\Documents and Settings\Administrator\桌面\test.txt" 
Content-Type: text/plain 
my name is Rokey.Ｒｏｋｅｙ。我的名字叫Rokey. 
-----------------------------7d7ea23120550 Content-Disposition: form-data; 
name="Submit" 上传 -----------------------------7d7ea23120550--

my name is Rokey.Ｒｏｋｅｙ。我的名字叫Rokey.

MultipartParser mp = new MultipartParser(request, 10 * 1024 * 1024);
Part part;
while ((part = mp.readNextPart()) != null) {
      if (part.isParam()) {
          // it's a parameter part
          ParamPart paramPart = (ParamPart) part;
          //out.println("param: name=" + name + "; value=" + value);
      } else if (part.isFile()) {
          FilePart filePart = (FilePart) part;
          InputStream is = filePart.getInputStream();
          InputStreamReader isr = new InputStreamReader(is);

          int ch;
          while ((ch = isr.read()) != -1) {

              out.print((char) ch);
          }

          System.out.flush();
          isr.close();
          is.close();
      }
}
               

my name is Rokey.Ｒｏｋｅｙ。
我的名字叫Rokey.