how to connect postgresql database with java
public Connection connect() { Connection conn = null; try { conn = DriverManager.getConnection(url, user, password); System.out.println("Connected to the PostgreSQL server successfully."); } catch (SQLException e) { System.out.println(e.getMessage()); } return conn; } Code language: Java (java)
Here is what the above code is Doing:
1. Load the PostgreSQL JDBC driver using Class.forName() method.
2. Establish a connection to the database using DriverManager.getConnection() method.
3. Close the connection using Connection.close() method.