how to connect sqlite with java

Question

I am using one simple code to access the SQLite database from Java application . My code is

 import java.sql.Connection;  
 import java.sql.DriverManager;  
 import java.sql.ResultSet;  
 import java.sql.Statement;  
 public class ConnectSQLite 
 {  
  public static void main(String[] args) 
  {  
     Connection connection = null;  
     ResultSet resultSet = null;  
     Statement statement = null;  

     try 
     {  
         Class.forName("org.sqlite.JDBC");  
         connection = DriverManager.getConnection("jdbc:sqlite:D:\\testdb.db");  
         statement = connection.createStatement();  
         resultSet = statement  
                 .executeQuery("SELECT EMPNAME FROM EMPLOYEEDETAILS");  
         while (resultSet.next()) 
         {  
             System.out.println("EMPLOYEE NAME:"  
                     + resultSet.getString("EMPNAME"));  
         }  
     } 
     catch (Exception e) 
     {  
         e.printStackTrace();  
     }
     finally 
     {  
         try 
         {  
             resultSet.close();  
             statement.close();  
             connection.close();  
         } 
         catch (Exception e) 
         {  
             e.printStackTrace();  
         }  
     }  
 }  
}  

But this code gives one exception like

java.lang.ClassNotFoundException: org.sqlite.JDBC

Answer 1

To connect SQLite with Java, you need to ensure that you have the SQLite JDBC driver library. Import the necessary Java packages: java.sql.Connection, java.sql.DriverManager, java.sql.ResultSet, java.sql.Statement. Load the SQLite JDBC driver with Class.forName("org.sqlite.JDBC"). Establish a connection to the SQLite database using DriverManager.getConnection("jdbc:sqlite:path_to_your_database_file"). Create a statement object with connection.createStatement(). Execute SQL queries using the statement object (resultSet = statement.executeQuery("SELECT column_name FROM table_name")). Process the retrieved data using resultSet.getString("column_name"). Finally, close the resultSet, statement, and connection in the finally block.

Answer 2

This can be achieved by having the SQLite JDBC driver invoked in your classpath.

SQLite JDBC is a library that is used for accessing and creating SQLite database files in Java and helps in connecting the Sqlite with Java. Another advantage is that as it is a cluster of drivers from major platforms so making it hassle-free from installing all of them separately.

Explore more about it at SQL training by Intellipaat.

Answer 3

To connect SQLite with Java, you can follow these steps:

Ensure that you have the SQLite JDBC driver library. You can download it from the SQLite website.

Import the necessary Java packages:

java.sql.Connection

java.sql.DriverManager

java.sql.ResultSet

java.sql.Statement

Load the SQLite JDBC driver by calling Class.forName("org.sqlite.JDBC").

Establish a connection to the SQLite database using DriverManager.getConnection("jdbc:sqlite:path_to_your_database_file"). Replace "path_to_your_database_file" with the actual path to your SQLite database file.

Create a statement object by calling connection.createStatement().

Execute SQL queries using the statement object. For example, you can retrieve data from a table with resultSet = statement.executeQuery("SELECT column_name FROM table_name").

Process the retrieved data using resultSet.getString("column_name") or other appropriate methods.

Close the resultSet, statement, and connection in the finally block to release resources.

Answer 4

Import necessary packages, load JDBC driver, establish connection, create statement, execute queries, process data, close connections.