String connectionUrl = "jdbc:postgresql://your-aws-rds-instance-url:5432/your-database-name?ssl=true";
String username = "your-username";
String password = "your-password";
Connection conn = DriverManager.getConnection(connectionUrl, username, password);
HikariConfig config = new HikariConfig();
config.setJdbcUrl(connectionUrl);
config.setUsername(username);
config.setPassword(password);
HikariDataSource ds = new HikariDataSource(config);
Connection conn = ds.getConnection();
Statement stmt = conn.createStatement();
stmt.addBatch("INSERT INTO your_table VALUES ('value1', 'value2')");
stmt.addBatch("INSERT INTO your_table VALUES ('value3', 'value4')");
stmt.executeBatch();
String sql = "SELECT * FROM your_table WHERE column = ?";
PreparedStatement pstmt = conn.prepareStatement(sql);
pstmt.setString(1, "value");
ResultSet rs = pstmt.executeQuery();
