Hibernate Demo Simplest

HibernateConfig.java

package com.sigma.corejava.configs;

import Models.UserModel;
import java.util.Properties;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.cfg.Environment;

public class HibernateConfig {
    
   private static SessionFactory factory;

   public static SessionFactory getSessionFactory() {
      if (factory == null) {
         try {
            // Properties
            Properties properties = new Properties();
            properties.setProperty(Environment.DIALECT, "org.hibernate.dialect.MySQL5Dialect");
            properties.setProperty(Environment.DRIVER, "com.mysql.jdbc.Driver");
            properties.setProperty(Environment.USER, "root");
            properties.setProperty(Environment.PASS, "123");
            properties.setProperty(Environment.URL, "jdbc:mysql://localhost:3306/abhijeet");

            // Hibernate Configurations
            Configuration hibernate = new Configuration();
            hibernate.setProperties(properties);
            
            // Add Models
            hibernate.addAnnotatedClass(UserModel.class);
            
            // Build Session Dactory
            factory = hibernate.buildSessionFactory();
             
         } catch (Exception e) { return null; }
      }
      return factory;
   }
}

Programme.java

package com.sigma.corejava;

import Models.UserModel;
import com.sigma.corejava.configs.HibernateConfig;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.Transaction;

public class Programme {
    
    public static void main(String args[]) {
      
        Session session = HibernateConfig.getSessionFactory().openSession();
        Transaction t = session.beginTransaction();
        
//        UserModel thenewuser = new UserModel(1, "hero","123");
//        session.save(thenewuser);
//        t.commit();
        
        
        List<UserModel> UsersList = session.createQuery("from UserModel").list();
        
        for (UserModel user : UsersList) {
            System.out.println("-------------------");
            System.out.println(user.getId());
            System.out.println(user.getName());
            System.out.println(user.getPass());
            
        }  
        
    }
}

UserModel.java

package Models;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Table;
import javax.persistence.Id;

@Entity
@Table(name = "user")
public class UserModel {

    @Id
    @Column
    private int id;
    @Column
    private String name;
    @Column
    private String pass;

    public UserModel() { }
    
    public UserModel(int id, String name, String pass) {
        this.id = id;
        this.name = name;
        this.pass = pass;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getPass() {
        return pass;
    }

    public void setPass(String pass) {
        this.pass = pass;
    }

    @Override
    public String toString() {
        return "UserModel{" + "id=" + id + ", name=" + name + ", pass=" + pass + '}';
    }
    
    
}