diff --git a/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java b/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java
index 74d9931..8e7e418 100644
--- a/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java
+++ b/java-spring-boot/src/main/java/com/example/money_transfer/MoneyTransferController.java
@@ -12,9 +12,9 @@ import java.util.HashMap;
 public class MoneyTransferController {
 
 	// Global accounts variable
-	private static final Map<String, Map<String, Double>> accounts = new HashMap<String, Map<String, Double>>() {{
-		put("1", new HashMap<String, Double>() {{ put("amount", 1000.0); }});
-		put("2", new HashMap<String, Double>() {{ put("amount", 1000.0); }});
+	private static final Map<String, Account> accounts = new HashMap<String, Account>() {{
+		put("1", new Account("1", 1000.0));
+		put("2", new Account("2", 1000.0));
 	}};
 
 	@PostMapping("/transfer")
@@ -33,6 +33,17 @@ public class MoneyTransferController {
 		);
 	}
 	
+	@Data
+	public static class Account {
+		private String id;
+		private Double amount;
+
+		public Account(String id, Double amount) {
+			this.id = id;
+			this.amount = amount;
+		}
+	}
+
 	@Data
 	public static class TransferRequest {
 		private Double amount;