Started implumenting a GUI for the program.

src/main/java/me/zacharias/bank/app/AccountView.java

@@ -0,0 +1,67 @@
+package me.zacharias.bank.app;
+
+import me.zacharias.bank.Account;
+import me.zacharias.bank.transaction.Transaction;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class AccountView extends JPanel {
+    
+    Main bankApplication;
+    Account account;
+    
+    JLabel accountName;
+    JLabel balance;
+    JLabel AccountNumber;
+    JList<Transaction> transactionList;
+    
+    public AccountView(Main bankApplication, Account account) {
+        this.bankApplication = bankApplication;
+        this.account = account;
+        
+        this.setLayout(null);
+        
+        accountName = new JLabel(account.getName());
+        accountName.setBounds(10, 10, 200, 30);
+        
+        balance = new JLabel(account.getBalance() + " kr");
+        balance.setBounds(10, 50, 200, 30);
+        
+        AccountNumber = new JLabel(account.getId().toString());
+        AccountNumber.setBounds(10, 90, 200, 30);
+        
+        transactionList = new JList<>();
+        transactionList.setBounds(10, 130, 200, 30);
+        transactionList.setModel(new DefaultListModel<>());
+        transactionList.setBackground(Color.GRAY);
+        transactionList.setCellRenderer(new ListCellRenderer<Transaction>() {
+            @Override
+            public Component getListCellRendererComponent(JList<? extends Transaction> list, Transaction value, int index, boolean isSelected, boolean cellHasFocus) {
+                JButton label = new JButton();
+                label.setText(value.getDescription() + " " + value.getAmount() + " kr");
+                label.setBackground(Color.GRAY);
+                label.addActionListener(e -> {
+                    bankApplication.showAccount(account);
+                });
+                return label;
+            }
+        });
+        
+        this.add(accountName);
+        this.add(balance);
+        this.add(AccountNumber);
+        this.add(transactionList);
+    }
+    
+    @Override
+    protected void paintComponent(Graphics g) {
+        accountName.setBounds(10, 10, 200, 30);
+        balance.setBounds(10, 50, 200, 30);
+        AccountNumber.setBounds(10, 90, 200, 30);
+        transactionList.setBounds(10, 130, 200, 30);
+        
+        transactionList.setListData(account.getTransactions().toArray(new Transaction[0]));
+        super.paintComponent(g);
+    }
+}