diff --git a/build.gradle b/build.gradle
index ba78171..150b40c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -32,6 +32,13 @@ dependencies {
     // Pour les tests
     testImplementation 'org.junit.jupiter:junit-jupiter-api:5.8.2'
     testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.8.2'
+
+    // pour des getters/setters auto
+    compileOnly 'org.projectlombok:lombok:1.18.24'
+	annotationProcessor 'org.projectlombok:lombok:1.18.24'
+	
+	testCompileOnly 'org.projectlombok:lombok:1.18.24'
+	testAnnotationProcessor 'org.projectlombok:lombok:1.18.24'
 }
 
 test {
diff --git a/src/main/java/com/pixels/beans/Group.java b/src/main/java/com/pixels/beans/Group.java
index 0f909a0..b285e6d 100644
--- a/src/main/java/com/pixels/beans/Group.java
+++ b/src/main/java/com/pixels/beans/Group.java
@@ -1,93 +1,24 @@
 package com.pixels.beans;
 
 import javax.persistence.*;
-import java.io.Serializable;
-import java.util.Objects;
 
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
 @Entity
 @NamedQuery(name = "Group.list", query = "SELECT g FROM Group")
 public class Group implements Serializable {
 
-    @Id
+    @Id // clé primaire
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id; // clé primaire
+    private Long id;
 
-    private String name; // le nom du groupe
+    // nom du groupe
+    private String name;
 
-    @OneToOne
-    private Wallet wallet; // le wallet commun à tous les membres du groupe
-
-    public Group() {
-    }
-
-    public Group(Long id, String name, Wallet wallet) {
-        this.id = id;
-        this.name = name;
-        this.wallet = wallet;
-    }
-
-    public Long getId() {
-        return this.id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return this.name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public Wallet getWallet() {
-        return this.wallet;
-    }
-
-    public void setWallet(Wallet wallet) {
-        this.wallet = wallet;
-    }
-
-    public Group id(Long id) {
-        setId(id);
-        return this;
-    }
-
-    public Group name(String name) {
-        setName(name);
-        return this;
-    }
-
-    public Group wallet(Wallet wallet) {
-        setWallet(wallet);
-        return this;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == this)
-            return true;
-        if (!(o instanceof Group)) {
-            return false;
-        }
-        Group group = (Group) o;
-        return Objects.equals(id, group.id) && Objects.equals(name, group.name) && Objects.equals(wallet, group.wallet);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, name, wallet);
-    }
-
-    @Override
-    public String toString() {
-        return "{" +
-                " id='" + getId() + "'" +
-                ", name='" + getName() + "'" +
-                ", wallet='" + getWallet() + "'" +
-                "}";
-    }
+    @OneToOne // le wallet commun à tous les membres du groupe
+    private Wallet wallet;
 
 }
\ No newline at end of file
diff --git a/src/main/java/com/pixels/beans/Permission.java b/src/main/java/com/pixels/beans/Permission.java
index 946e114..0185a60 100644
--- a/src/main/java/com/pixels/beans/Permission.java
+++ b/src/main/java/com/pixels/beans/Permission.java
@@ -2,66 +2,19 @@ package com.pixels.beans;
 
 import javax.persistence.*;
 
-import java.io.Serializable;
-import java.util.Objects;
+import lombok.Data;
 
+import java.io.Serializable;
+
+@Data
 @Entity
 @NamedQuery(name = "Permission.list", query = "SELECT pe FROM Permission pe")
 public class Permission implements Serializable {
 
-    @Id
+    @Id // clé primaire
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id; // clé primaire du code
+    private Long id;
 
-    private int type; // type de la permission
-
-    public Long getId() {
-        return this.id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public int getType() {
-        return this.type;
-    }
-
-    public void setType(int type) {
-        this.type = type;
-    }
-
-    public Permission id(Long id) {
-        setId(id);
-        return this;
-    }
-
-    public Permission type(int type) {
-        setType(type);
-        return this;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == this)
-            return true;
-        if (!(o instanceof Permission)) {
-            return false;
-        }
-        Permission permission = (Permission) o;
-        return Objects.equals(id, permission.id) && type == permission.type;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, type);
-    }
-
-    @Override
-    public String toString() {
-        return "{" +
-                " id='" + getId() + "'" +
-                ", balance='" + getType() + "'" +
-                "}";
-    }
+    // type de la permission
+    private int type;
 }
\ No newline at end of file
diff --git a/src/main/java/com/pixels/beans/Pixel.java b/src/main/java/com/pixels/beans/Pixel.java
index 1cba073..986b2d5 100644
--- a/src/main/java/com/pixels/beans/Pixel.java
+++ b/src/main/java/com/pixels/beans/Pixel.java
@@ -1,131 +1,35 @@
 package com.pixels.beans;
 
 import javax.persistence.*;
+
+import lombok.Data;
+
 import java.io.Serializable;
 import java.util.List;
-import java.util.Objects;
 
+@Data
 @Entity
 @NamedQuery(name = "Pixel.list", query = "SELECT p FROM Pixel p order by p.dateTime desc")
 public class Pixel implements Serializable {
 
-    @Id
+    @Id // clé primaire
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id; // clé primaire du code
+    private Long id;
 
-    private int price; // prix du pixel à l'achat
-    private int color; // couleur du pixel sur la peinture
-    private String description; // petit mot écrit par le user
+    // prix du pixel à l'achat
+    private int price;
 
+    // couleur du pixel sur la peinture
+    private int color;
+
+    // petit mot écrit par le user
+    private String description;
+
+    // propriétaire actuel du pixel
     @ManyToOne(fetch = FetchType.EAGER)
     private User owner;
 
+    // liste des transactions associées au pixel
     @OneToMany(mappedBy = "pixel")
     private List<Transaction> transactions;
-
-    public Pixel() {
-    }
-
-    public Pixel(Long id, int price, int color, String description, User owner) {
-        this.id = id;
-        this.price = price;
-        this.color = color;
-        this.description = description;
-        this.owner = owner;
-    }
-
-    public Long getId() {
-        return this.id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public int getPrice() {
-        return this.price;
-    }
-
-    public void setPrice(int price) {
-        this.price = price;
-    }
-
-    public int getColor() {
-        return this.color;
-    }
-
-    public void setColor(int color) {
-        this.color = color;
-    }
-
-    public String getDescription() {
-        return this.description;
-    }
-
-    public void setDescription(String description) {
-        this.description = description;
-    }
-
-    public User getOwner() {
-        return this.owner;
-    }
-
-    public void setOwner(User owner) {
-        this.owner = owner;
-    }
-
-    public Pixel id(Long id) {
-        setId(id);
-        return this;
-    }
-
-    public Pixel price(int price) {
-        setPrice(price);
-        return this;
-    }
-
-    public Pixel color(int color) {
-        setColor(color);
-        return this;
-    }
-
-    public Pixel description(String description) {
-        setDescription(description);
-        return this;
-    }
-
-    public Pixel owner(User owner) {
-        setOwner(owner);
-        return this;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == this)
-            return true;
-        if (!(o instanceof Pixel)) {
-            return false;
-        }
-        Pixel pixel = (Pixel) o;
-        return Objects.equals(id, pixel.id) && price == pixel.price && color == pixel.color
-                && Objects.equals(description, pixel.description) && Objects.equals(owner, pixel.owner)
-                && Objects.equals(transactions, pixel.transactions);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, price, color, description, owner);
-    }
-
-    @Override
-    public String toString() {
-        return "{" +
-                " id='" + getId() + "'" +
-                ", price='" + getPrice() + "'" +
-                ", color='" + getColor() + "'" +
-                ", description='" + getDescription() + "'" +
-                ", owner='" + getOwner() + "'" +
-                "}";
-    }
-
 }
diff --git a/src/main/java/com/pixels/beans/Role.java b/src/main/java/com/pixels/beans/Role.java
index c4663f0..8ed5b33 100644
--- a/src/main/java/com/pixels/beans/Role.java
+++ b/src/main/java/com/pixels/beans/Role.java
@@ -2,66 +2,19 @@ package com.pixels.beans;
 
 import javax.persistence.*;
 
-import java.io.Serializable;
-import java.util.Objects;
+import lombok.Data;
 
+import java.io.Serializable;
+
+@Data
 @Entity
 @NamedQuery(name = "Role.list", query = "SELECT r FROM Role r")
 public class Role implements Serializable {
 
-    @Id
+    @Id // clé primaire du code
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id; // clé primaire du code
+    private Long id;
 
-    private int type; // type du role
-
-    public Long getId() {
-        return this.id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public int getType() {
-        return this.type;
-    }
-
-    public void setType(int type) {
-        this.type = type;
-    }
-
-    public Role id(Long id) {
-        setId(id);
-        return this;
-    }
-
-    public Role type(int type) {
-        setType(type);
-        return this;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == this)
-            return true;
-        if (!(o instanceof Role)) {
-            return false;
-        }
-        Role role = (Role) o;
-        return Objects.equals(id, role.id) && type == role.type;
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, type);
-    }
-
-    @Override
-    public String toString() {
-        return "{" +
-                " id='" + getId() + "'" +
-                ", balance='" + getType() + "'" +
-                "}";
-    }
+    // type du role
+    private int type;
 }
\ No newline at end of file
diff --git a/src/main/java/com/pixels/beans/Transaction.java b/src/main/java/com/pixels/beans/Transaction.java
index 6c140fe..0f97637 100644
--- a/src/main/java/com/pixels/beans/Transaction.java
+++ b/src/main/java/com/pixels/beans/Transaction.java
@@ -1,146 +1,33 @@
 package com.pixels.beans;
 
 import javax.persistence.*;
+
+import lombok.Data;
+
 import java.io.Serializable;
 import java.util.Date;
-import java.util.Objects;
 
+@Data
 @Entity
-@NamedQuery(name = "Transaction.list", query = "SELECT t FROM Transaction t order by t.dateTime desc") // TO DO :
-                                                                                                       // Vérifier
+@NamedQuery(name = "Transaction.list", query = "SELECT t FROM Transaction t order by t.dateTime desc")
 public class Transaction implements Serializable {
 
-    @Id
+    @Id // clé primaire
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id; // clé primaire
+    private Long id;
 
+    // prix de la transaction
     private int price;
-    private int color; // couleur du pixel sur la peinture
+
+    // couleur du pixel de la transaction
+    private int color;
+
+    // date de la transaction
     private Date time;
 
-    @ManyToOne
+    @ManyToOne // wallet acheteur
     private Wallet wallet;
-    @ManyToOne
+
+    @ManyToOne // pixel acheté
     private Pixel pixel;
-
-    public Transaction() {
-    }
-
-    public Transaction(Long id, int price, int color, Date time, Wallet wallet, Pixel pixel) {
-        this.id = id;
-        this.price = price;
-        this.color = color;
-        this.time = time;
-        this.wallet = wallet;
-        this.pixel = pixel;
-    }
-
-    public Long getId() {
-        return this.id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public int getPrice() {
-        return this.price;
-    }
-
-    public void setPrice(int price) {
-        this.price = price;
-    }
-
-    public int getColor() {
-        return this.color;
-    }
-
-    public void setColor(int color) {
-        this.color = color;
-    }
-
-    public Date getTime() {
-        return this.time;
-    }
-
-    public void setTime(Date time) {
-        this.time = time;
-    }
-
-    public Wallet getWallet() {
-        return this.wallet;
-    }
-
-    public void setWallet(Wallet wallet) {
-        this.wallet = wallet;
-    }
-
-    public Pixel getPixel() {
-        return this.pixel;
-    }
-
-    public void setPixel(Pixel pixel) {
-        this.pixel = pixel;
-    }
-
-    public Transaction id(Long id) {
-        setId(id);
-        return this;
-    }
-
-    public Transaction price(int price) {
-        setPrice(price);
-        return this;
-    }
-
-    public Transaction color(int color) {
-        setColor(color);
-        return this;
-    }
-
-    public Transaction time(Date time) {
-        setTime(time);
-        return this;
-    }
-
-    public Transaction wallet(Wallet wallet) {
-        setWallet(wallet);
-        return this;
-    }
-
-    public Transaction pixel(Pixel pixel) {
-        setPixel(pixel);
-        return this;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == this)
-            return true;
-        if (!(o instanceof Transaction)) {
-            return false;
-        }
-        Transaction transaction = (Transaction) o;
-        return Objects.equals(id, transaction.id) && price == transaction.price && color == transaction.color
-                && Objects.equals(time, transaction.time) && Objects.equals(wallet, transaction.wallet)
-                && Objects.equals(pixel, transaction.pixel);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, price, color, time, wallet, pixel);
-    }
-
-    @Override
-    public String toString() {
-        return "{" +
-                " id='" + getId() + "'" +
-                ", price='" + getPrice() + "'" +
-                ", color='" + getColor() + "'" +
-                ", time='" + getTime() + "'" +
-                ", wallet='" + getWallet() + "'" +
-                ", pixel='" + getPixel() + "'" +
-                "}";
-    }
-
 }
\ No newline at end of file
diff --git a/src/main/java/com/pixels/beans/User.java b/src/main/java/com/pixels/beans/User.java
index 8fbfd0f..c0fe7a4 100644
--- a/src/main/java/com/pixels/beans/User.java
+++ b/src/main/java/com/pixels/beans/User.java
@@ -4,127 +4,47 @@ import javax.persistence.*;
 
 import com.pixels.utils.Hash;
 
+import lombok.Data;
+
 import java.io.Serializable;
 import java.util.List;
-import java.util.Objects;
 
+@Data
 @Entity
 @NamedQuery(name = "User.list", query = "SELECT u FROM User u")
 public class User implements Serializable {
 
-    @Id
+    @Id // clé primaire
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id; // clé primaire du code
+    private Long id;
 
+    // nom d'utilisateur
     private String userName;
-    private String email;
-    private String hashPassword; // sha256
 
-    @OneToOne
+    // addresse mail de l'utilisateur
+    private String email;
+
+    // mot de passe hashé en sha256
+    private String hashPassword;
+
+    @OneToOne // portefeuille
     private Wallet wallet;
 
-    @ManyToOne
+    @ManyToOne // permission
     private Permission permission;
 
+    // pixels possédés
     @OneToMany(mappedBy = "owner")
     private List<Pixel> owned;
 
-    public User() {
-    }
-
     public User(Long id, String userName, String email, String password) {
         this.id = id;
         this.userName = userName;
         this.email = email;
         this.hashPassword = Hash.sha256(password);
-        ;
-    }
-
-    public Long getId() {
-        return this.id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public String getUserName() {
-        return this.userName;
-    }
-
-    public void setUserName(String userName) {
-        this.userName = userName;
-    }
-
-    public String getEmail() {
-        return this.email;
-    }
-
-    public void setEmail(String email) {
-        this.email = email;
-    }
-
-    public Wallet getWallet() {
-        return this.wallet;
-    }
-
-    public void setWallet(Wallet wallet) {
-        this.wallet = wallet;
-    }
-
-    public String getHashPassword() {
-        return this.hashPassword;
     }
 
     public void setHashPassword(String password) {
         this.hashPassword = Hash.sha256(password);
     }
-
-    public User id(Long id) {
-        setId(id);
-        return this;
-    }
-
-    public User userName(String userName) {
-        setUserName(userName);
-        return this;
-    }
-
-    public User email(String email) {
-        setEmail(email);
-        return this;
-    }
-
-    public User hashPassword(String hashPassword) {
-        setHashPassword(hashPassword);
-        return this;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == this)
-            return true;
-        if (!(o instanceof User)) {
-            return false;
-        }
-        User user = (User) o;
-        return Objects.equals(id, user.id) && Objects.equals(userName, user.userName)
-                && Objects.equals(email, user.email) && Objects.equals(hashPassword, user.hashPassword);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, userName, email, hashPassword);
-    }
-
-    @Override
-    public String toString() {
-        return "{" +
-                " id='" + getId() + "'" +
-                ", userName='" + getUserName() + "'" +
-                ", email='" + getEmail() + "'" +
-                ", hashPassword='" + getHashPassword() + "'" +
-                "}";
-    }
-
 }
diff --git a/src/main/java/com/pixels/beans/Wallet.java b/src/main/java/com/pixels/beans/Wallet.java
index 5d0b996..4ccb787 100644
--- a/src/main/java/com/pixels/beans/Wallet.java
+++ b/src/main/java/com/pixels/beans/Wallet.java
@@ -2,95 +2,23 @@ package com.pixels.beans;
 
 import javax.persistence.*;
 
+import lombok.Data;
+
 import java.io.Serializable;
 import java.util.List;
-import java.util.Objects;
 
+@Data
 @Entity
 @NamedQuery(name = "Wallet.list", query = "SELECT w FROM Wallet w")
 public class Wallet implements Serializable {
 
-    @Id
+    @Id // clé primaire du code
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long id; // clé primaire du code
+    private Long id;
 
+    // solde du wallet
     private int balance;
 
-    @OneToMany(mappedBy = "wallet")
+    @OneToMany(mappedBy = "wallet") // transactions associées au wallet
     private List<Transaction> transactions;
-
-    public Wallet() {
-    }
-
-    public Wallet(Long id, int balance, List<Transaction> transactions) {
-        this.id = id;
-        this.balance = balance;
-        this.transactions = transactions;
-    }
-
-    public Long getId() {
-        return this.id;
-    }
-
-    public void setId(Long id) {
-        this.id = id;
-    }
-
-    public int getBalance() {
-        return this.balance;
-    }
-
-    public void setBalance(int balance) {
-        this.balance = balance;
-    }
-
-    public List<Transaction> getTransactions() {
-        return this.transactions;
-    }
-
-    public void setTransactions(List<Transaction> transactions) {
-        this.transactions = transactions;
-    }
-
-    public Wallet id(Long id) {
-        setId(id);
-        return this;
-    }
-
-    public Wallet balance(int balance) {
-        setBalance(balance);
-        return this;
-    }
-
-    public Wallet transactions(List<Transaction> transactions) {
-        setTransactions(transactions);
-        return this;
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (o == this)
-            return true;
-        if (!(o instanceof Wallet)) {
-            return false;
-        }
-        Wallet wallet = (Wallet) o;
-        return Objects.equals(id, wallet.id) && balance == wallet.balance
-                && Objects.equals(transactions, wallet.transactions);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(id, balance, transactions);
-    }
-
-    @Override
-    public String toString() {
-        return "{" +
-                " id='" + getId() + "'" +
-                ", balance='" + getBalance() + "'" +
-                ", transactions='" + getTransactions() + "'" +
-                "}";
-    }
-
 }