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import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Random;
import javax.imageio.ImageIO;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
public class ImageRandom extends HttpServlet {
 /**
  * Constructor of the object.
  */
 public ImageRandom() {
  super();
 }
 public void processRequest(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {
  response.setContentType("image/jpeg");
  response.setHeader("Pragma","No-cache");
  response.setHeader("Cache-Control","no-cache");
  response.setDateHeader("Expires", 0);
  HttpSession session=request.getSession();
  // ÔÚÄÚ´æÖд´½¨Í¼Ïó
  int width=60, height=20;
  BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
  // »ñȡͼÐÎÉÏÏÂÎÄ
  Graphics graphics = image.getGraphics();
  //Éú³ÉËæ»úÀà
  Random random = new Random();
  // É趨±³¾°É«
  //graphics.setColor(this.getRandColor(100,150));
  graphics.setColor(Color.gray);
  graphics.clipRect(0, 0, width, height);
  //É趨×ÖÌå
  graphics.setFont(new Font("Times New Roman",Font.PLAIN,18));
  //»­±ß¿ò
  //graphics.setColor(new Color());
  //graphics.drawRect(0,0,width-1,height-1);
  
  // Ëæ»ú²úÉú50Ìõ¸ÉÈÅÏߣ¬Ê¹Í¼ÏóÖеÄÈÏÖ¤Âë²»Ò×±»ÆäËü³ÌÐò̽²âµ½
  graphics.setColor(getRandColor(100,200));
  for (int i=0;i<50;i++) {
   int x = ran


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public class NumSort {
 public static void mian (String args[]) {
  int a[] = new int[args.length];
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import java.util.*;
public class Map {
Vector<int[]> v = new Vector<int[]>();
Vector<Integer> vv = new Vector<Integer>();
Map() {
int[] array = { 1, 2, 3, 4, 5 };
Scanner s = new Scanner(System.in);
int x = s.nextInt();
pro(array, 0, x);
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