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     public   static   void  scaleImage(InputStream imgInputStream,
            OutputStream imgOutputStream,  int  scale)
    {
         try
        {
            Image src  =  javax.imageio.ImageIO.read(imgInputStream);
             int  width  =  ( int ) (src.getWidth( null )  *  scale  /   100.0 );
             int  height  =  ( int ) (src.getHeight( null )  *  scale  /   100.0 );
            BufferedImage bufferedImage  =   new  BufferedImage(width, height,
                    BufferedImage.TYPE_INT_RGB);
             bufferedImage.getGraphics().drawImage(
                    src.getScaledInstance(width, height, Image.SCALE_SMOOTH),
                     0 ,  0 ,  null );
            JPEGImageEncoder encoder  =  JPEGCodec
               &nbs


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4.19 java programming

/////////////////////DogTestDrive/////////////////////
class DogTestDrive {
 public static void main(String[] args) {
  Dog one = new Dog();
     one.size = 70;
     Dog two = new Dog();
     two.size = 8;
   ......

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1.¾Ö²¿±äÁ¿ÔÚʹÓõÄʱºò±ØÐëÒѾ­±»³õʼ»¯
2.byte b=2,e=3
   byte c=b+c;   »á±àÒ벻ͨ¹ý£¬Ó¦Îªb+c»á×Ô¶¯ ÀàÐÍÌáÉýλint Èç¹ûÏëµÃµ½ byte c ±ØÐëÇ¿ÖÆ×ªÐÍ        byte c=(byte)b+c;         
3.f ......

LRUÒ³ÃæÖû»Ë㷨ģÄâJavaʵÏÖ....

import java.io.BufferedReader;
import java.io.InputStreamReader;
public class LRU {
 int blockCount;
 int seriaCount;
 int[] address;
 int[] stack;
 BufferedReader br;
 public static void main(String[] args) {
  // int address[] = { 1, 2,3, 2, 8, 4, 3 ......
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