Retrieving data from table using DBCP


 

Retrieving data from table using DBCP

This tutorial demonstrate how to retrieve records from table using DBCP.

This tutorial demonstrate how to retrieve records from table using DBCP.

Code:

import java.sql.*;
import org.apache.commons.dbcp.BasicDataSource;

public class GetAllRowsDBCP {
  public static void main(String[] args) {
    System.out.println("Getting All Rows from a table!\n");
    BasicDataSource bds = new BasicDataSource();
    bds.setDriverClassName("com.mysql.jdbc.Driver");
    bds.setUrl("jdbc:mysql://localhost:3306/mydb");
    bds.setUsername("root");
    bds.setPassword("");
    try {
      Connection con = bds.getConnection();
      try {
        Statement st = con.createStatement();
        ResultSet res = st.executeQuery("SELECT * FROM  users");
        System.out.println("ID: " "\t\t" "NAME: ");
        while (res.next()) {
          int i = res.getInt("id");
          String s = res.getString("name");
          System.out.println(i + "\t\t" + s);
        }
        con.close();
      catch (SQLException s) {
        System.out.println("SQL code does not execute.");
      }
    catch (Exception e) {
      e.printStackTrace();
    }
  }
}

Directory structure of files

In the lib folder place all required file ie. commons-collections.jar, commons-dbcp.jar, commons-pool.jar, j2ee.jar and mysql-connector-java-5.1.7-bin.jar

In the pathset.bat write following statement

set classpath=.;lib/commons-collections.jar;lib/commons-dbcp.jar;lib/commons-pool.jar;lib/j2ee.jar;lib/mysql-connector-java-5.1.7-bin.jar

Output:

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