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//¾²Ì¬¿é£¨static block£©£ºÈçÏÂËùʾ
public class StaticBlock1
{
       static 
       {
              System.out.println("static block");
       }
       public static void main(String[] args)
       {
               System.out.println("main");
       }
}
/**
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ÉÏÀýÖУ¬ÔËÐнá¹ûΪ£ºstatic block
                    main
*/
 
·Ç¾²Ì¬¿é£¨non-static block£©
public class NonStaticBlock1
{
       {
              System.out.println("Non static block");
       }
 
       NonStaticBlock1()
       {
              System.out.println("constructor");
       }
 
       public static void main(String[] args)
       {
              new NonStaticBlock1();
              System.out.println("main");
       }
}
 
/**
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ÁíÍ⣬·Ç¾²Ì¬¿éÊÇÔÚ´´½¨¶ÔÏóʱ×Ô¶¯Ö´ÐеĴúÂë¡£
 
ÉÏÀýÖУ¬ÔËÐнá¹ûΪ£ºNon static block
  &nb
    
     
	
	
    
    
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HSSFWorkbook workbook=new HSSFWorkbook();µÃµ½Ò»¸öExcelÎļþµÄÒýÓÃ
HSSFSheet sheet=workbook.createSheet();µÃµ½Ò»¸ösheet,»¹ÓÐHSSFSheet sheet=workbook.createSheet("sheet1");·½·¨¿ÉÒÔÉèÖÃSheetµÄÃû³Æ¡£
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Every method of java will have a stack, and every invokation on that
method will have it's own 'stack frame'. So the locale data of one
method invokation will not affect others.
Please do not c ......
	
    
        
    
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    import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Enumeration;
import java.util.Vector;
/*ËäÈ»ÏÖÔÚÓÃAPACHE COMMONS DBCP¿ÉÒԷdz£·½±ãµÄ½¨Á¢Êý¾Ý¿âÁ¬½Ó³Ø£¬ ......
	
    
        
    
    package test;
import java.lang.reflect.Method;
public class InvokeTest {
  /**
   * 
   * main ·½·¨
   * @param args
   * void
   */
  public static void main(String[] args) {
    try {
    &nbs ......