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£¨Àý£©JavaÉú³ÉPDF±¨±í iText

// µ¼Èë£É£Ï¿âÀà
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
// µ¼Èë¡¡£Ð£Ï£É¿âÀà
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
// µ¼Èë¡¡£é£Ô£å£ø£ô¿âÀà
import com.lowagie.text.BadElementException;
import com.lowagie.text.Cell;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Table;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
public class PrintStudent {
 /**
  * @param args
  * @throws IOException
  * @throws DocumentException
  */
 public static void main(String[] args) throws DocumentException,
   IOException {
  // ¶¨ÒåÒ³Ãæ
  PageSize Pg = new PageSize();
  // Éú³É£Ð£Ä£ÆÎĵµÊµÀý
  Document document = new Document(Pg.A4);
  // ÔØÈëÖÐÎÄ×Ö¿â
  BaseFont bfChinese = BaseFont.createFont("STSong-Light",
    "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
  try {
   // ÊäÈëÎĵµÊµÀý
   PdfWriter.getInstance(document,
     new FileOutputStream("Chap0101.pdf"));
   document.open();
   /*
    * Éú³É±íÍ· ¶ÁÈ¡Îĵµ 350.XLS
    */
   WillsRecor Re = new WillsRecor("350.xls");
   // ¶¨ÒåµÚÒ»Ò³µÄÊý¾ÝÁÐ±í£®
   ArrayList ReL;
   // ¶Áȡһҳ
   ReL = Re.Next();
   // Èç¹û¶ÁÈ¡ÁбíÖÐÓÐÊý¾Ý£¬ÔòÉú³ÉÒ»Ò³ÄÚÈÝ£®
   while (!ReL.isEmpty()) {
    // ¶¨Òåҳͷ
    Paragraph Title = new Paragraph();
  &n


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½ñÌì¾ÍÀ´½²Ò»ÏÂJava ÖÐʹÓÃdom4jÀ´²Ù×÷XMLÎļþ¡£
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//Îļþ°ü
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileWriter;
//¹¤¾ß°ü
import java.util.Ite ......

JavaµÄÇóÖÊÊý

package stone;
public class PrimerNumber {
public static void main(String[] args) {
int MAX_NUMBER = 100;
boolean[] notPrimer= new boolean[MAX_NUMBER];
for(int i=2;i<=MAX_NUMBER;i++){
if(!notPrimer[i-1]){
for(int j=2*i;j<=MAX_NUMBER;j++){
if(j%i==0) notPrimer[j-1]=tr ......

java:Applet²¼¾ÖÎÊÌâ,ÈçºÎÌí¼Ó°´Å¥£¬±êÇ©ÎÊÌâ×ܽá

½ñÌìѧϰÁËapplet²¼¾ÖÎÊÌ⣺
°´Å¥¡¢±êÇ©ÊÇÔõÑù¼ÓÈëµ½applet³ÌÐò(ÈÝÆ÷)µ±ÖÐÈ¥µÄÄØ£¿
ÐèÒªÓõ½²¼¾ÖÈÝÆ÷¹ÜÀíÆ÷(LayoutManager)£ºËüÓÃÓÚЭÖúÈÝÆ÷È·¶¨¼ÓÈëµÄ×é¼þ(°´Å¥µÈ)Ó¦¸Ã·ÅÖõÄλÖÃ
awtÌṩÁË4Öг£ÓõIJ¼¾ÖÈÝÆ÷¹ÜÀíÆ÷
>>FlowLayout
>>BorderLayout
>>GridLayout
>>CardLayout
appletĬÈÏÊ¹Ó ......

Java µ÷ÓÃEXE

ʹÓÃRuntime.getRuntime().exec()·½·¨¿ÉÒÔÔÚjava³ÌÐòÀïÔËÐÐÍⲿ³ÌÐò.  
  ¸Ã·½·¨ÓÐ6¸ö¿É·ÃÎʰ汾:  
  1.exec(String   command)  
  2.exec(String   command,   String   envp[],   File   dir)    
  3.exec(String   cmd, &n ......

»ù´¡ JAVA¶ÔMysql½øÐÐÁ¬½Ó¡¢²åÈë¡¢Ð޸ġ¢É¾³ý²Ù×÷

Êý¾Ý¿â±íµ¥µÄ´´½¨
mysql> create database shuishengmu;
Query OK, 1 row affected (0.00 sec)
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql    & ......
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