import java.sql.Connection;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import javax.sql.DataSource;

import org.apache.commons.dbcp2.BasicDataSource;

import org.springframework.jdbc.datasource.DataSourceUtils;

public class Main {

public static void update(String sql) {

DataSource data = getDataSource();

Connection conn = null;

try {

conn = data.getConnection();

PreparedStatement ps = conn.prepareStatement(sql);

ps.executeUpdate();

} catch (Exception e) {

throw new RuntimeException(e.getMessage());

} finally {

try {

DataSourceUtils.doCloseConnection(conn, dataSource);

} catch (Exception e) {

}

}

}

protected static BasicDataSource dataSource = null;

public static DataSource getDataSource() {

synchronized (Thread.class) {

if (null == dataSource) {

dataSource = new BasicDataSource();

dataSource.setUrl("jdbc:sqlite:hp.db");

dataSource.setDriverClassName("org.sqlite.JDBC");

}

}

return dataSource;

}

public static void main(String[] args) throws Exception {

update("drop table if exists COMPANY");

update("CREATE TABLE COMPANY (ID INT,cname VARCHAR(40))");

for (int x = 0; x < 300; x++) {

update("insert into COMPANY(id , cname) values(" + x + " ,'xx" + x + "')");

}

PreparedStatement ps = getDataSource().getConnection().prepareStatement("select * from COMPANY");

ResultSet rs = ps.executeQuery();

while (rs.next()) {

System.out.println(rs.getString("id") + "--" + rs.getString("cname"));

}

}

}