java Batch数据库操作使用批处理

package JDBCDEMOS;

//import java.net.ConnectException;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Connection;
import java.sql.Statement;

import java.sql.Clob;

//import com.mysql.jdbc.Statement;

public class JDBCDEMO1 {
    public static final String DBDRIVER = "com.mysql.jdbc.Driver";
    public static final String DBURL = "jdbc:mysql://localhost:3306/test";
    public static final String DBUSER = "root";
    public static final String DBPASS = "123123";

    public static void main(String[] args) throws Exception {
        Connection conn=null;
        PreparedStatement pstmt=null;
        String sql="INSERT INTO user(name,age)"+"VALUES(?,?)";
        Class.forName(DBDRIVER);
        conn=DriverManager.getConnection(DBURL, DBUSER, DBPASS);
        pstmt=conn.prepareStatement(sql);
        for(int i=0;i<10;i++){
            pstmt.setString(1, "赵小蒙 - "+i);
            pstmt.setInt(2, 20+i);
            pstmt.addBatch();
        }
        int trmp[]=pstmt.executeBatch();
        System.out.println("更新了"+trmp.length+"条数据。。");
        pstmt.close();
        conn.close();
    }
}