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  </connectionStrings>
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<connectionStrings>
      <add name="ConnectionStr" connectionString="Data Source=CAIPENG-PC;Initial Catalog=Test;uid=sa;pwd=caipeng" providerName="System.Data.SqlClient"/>
  </connectionStrings>
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import java.sql.*;
public class DBConn {
 private String ADDRESS ;
 private int PORT ;
 private String DBNAME ;
 private String USERNAME ;
 private String PASSWORD ;
 private Connection conn ;
 private PreparedStatement pstmt ;
 pri ......

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