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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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ÉÏÀýÖУ¬ÔËÐнá¹ûΪ£ºNon static block
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import java.sql.DatabaseMetaData;
import java.sql.Driver;
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import java.sql.SQLException;
import java.sql.Statement;
import java.util.Enumeration;
import java.util.Vector;
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