JdbcExample

package javaPractice.jdbc;

//Import required packages
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class JdbcExample {

    static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
    static final String DB_URL = "jdbc:mysql://localhost:3306/cms_crud?useSSL=false";

    static final String USER = "root";
    static final String PASS = "admin1234";

    public static void main(String[] args) {

	Connection conn = null;
	Statement stmt = null;

	try {

	    // Register JDBC driver
	    Class.forName("com.mysql.jdbc.Driver");

	    System.out.println("Connecting to database...");
	    // Open a connection
	    conn = DriverManager.getConnection(DB_URL, USER, PASS);

	    // Execute a query
	    System.out.println("Creating statement...");
	    stmt = conn.createStatement();
	    String sql = "SELECT ID, FIRST_NAME, LAST_NAME, EMAIL FROM USER";

	    ResultSet rs = stmt.executeQuery(sql);

	    // Extract data from result set
	    while (rs.next()) {
		// Retrieve by column name
		int id = rs.getInt("ID");
		String first = rs.getString("FIRST_NAME");
		String last = rs.getString("LAST_NAME");
		String email = rs.getString("EMAIL");

		// Display values
		System.out.print("ID: " + id);
		System.out.print(", First: " + first);
		System.out.print(", Last: " + last);
		System.out.println(", Email: " + email);
	    }

	    // Clean-up environment
	    rs.close();
	    stmt.close();
	    conn.close();

	} catch (SQLException | ClassNotFoundException se) {
	    // Handle errors for JDBC
	    se.printStackTrace();
	}

    }

}