took out default balance

src/main/java/entity/CommonUser.java

@@ -83,7 +83,7 @@ public CommonUser(
      * portfolio and a balance of 10000
      */
     public CommonUser() {
-        this.balance = 10000.0;
+        this.balance = User.DEFAULT_BALANCE;
         this.portfolio = new HashMap<>();
         this.history = new HashMap<>();
     }

src/main/java/entity/User.java

@@ -3,6 +3,7 @@
 import java.util.HashMap;
 
 public interface User {
+    Double DEFAULT_BALANCE = 10000.0;
     HashMap<String, TransactionHistory> getHistory();
     void addToPortfolio(String ticker, Double amount);
     void removeFromPortfolio(String ticker);

src/main/java/use_case/ResetBalance/ResetBalanceInteractor.java

@@ -8,7 +8,6 @@
 import use_case.BaseStockInteractor;
 
 import java.time.LocalDateTime;
-import java.util.HashMap;
 
 public class ResetBalanceInteractor extends BaseStockInteractor implements ResetBalanceInputBoundary {
     final ResetBalanceDataAccessInterface userDataAccessObject;
@@ -58,7 +57,7 @@ public void execute(ResetBalanceInputData resetBalanceInputData) {
         Boolean resetPressed = resetBalanceInputData.getResetPressed();
         User user = userDataAccessObject.get();
         Double curBalance = user.getBalance();
-        Double amountToAdd = 10000.0;
+        Double amountToAdd = User.DEFAULT_BALANCE;
 
         user.setBalance(amountToAdd);
         user.clearPortfolio();