[EDIT] 改行・コード位置を調整しました。

src/main/java/com/example/demo/app/infra/entity/TransactionEntity.java

@@ -28,12 +28,6 @@ public class TransactionEntity {
 	@Column(name = "transaction_id")
 	private Long transactionId;
 
-	@Column(name = "amount", nullable = false)
-	private Integer amount;
-	
-	@Column(name = "transaction_date", nullable = false)
-	private LocalDate transactionDate;
-
 	@ManyToOne(fetch = FetchType.LAZY)
 	@JoinColumn(name = "user_id")
 	private UserEntity userEntity;
@@ -42,4 +36,10 @@ public class TransactionEntity {
 	@JoinColumn(name = "category_id")
 	private CategoryEntity categoryEntity;
 	
+	@Column(name = "amount", nullable = false)
+	private Integer amount;
+	
+	@Column(name = "transaction_date", nullable = false)
+	private LocalDate transactionDate;
+
 }

src/main/java/com/example/demo/app/presentation/form/TransactionForm.java

@@ -32,6 +32,7 @@ public class TransactionForm {
 	
 	private Integer transactionType;
 	
+	
 	public static TransactionForm convertFrom(TransactionModel transactionModel, String categoryName, int income, int expense, int transactionType) {
 		return new TransactionForm(
 				transactionModel.getTransactionId(),
@@ -45,6 +46,7 @@ public class TransactionForm {
 				transactionType);
 	}
 
+
 	public static List<TransactionForm> convertFrom(List<TransactionModel> transactionModelList, String categoryName, int income, int expense, int transactionType ) {
 		return transactionModelList.stream().map(transactionModel -> TransactionForm.convertFrom(transactionModel, categoryName, income, expense, transactionType)).toList();
 	}