Section1 complete

App.java

+public class App{
+    public static void main(String[] args) throws Exception {
+        BankAccount account1 = new BankAccount(12345678, "Jinny Wilkin", 420.69);
+
+        account1.deposit(0.01);
+
+        account1.withdrawal(420);
+
+        account1.withdrawal(1);
+
+        account1.deposit(99.30);
+
+        account1.bankFees();
+
+        account1.display();
+    }
+    
+}

BankAccount.java

+import java.text.DecimalFormat;
+
+public class BankAccount {
+    
+    protected String name;
+    protected int accountNumber;
+    protected double balance;
+
+    private static final DecimalFormat df = new DecimalFormat("0.00");
+
+
+    public BankAccount(int accNum, String name, double currBal){
+        this.name = name;
+        this.accountNumber = accNum;
+        this.balance = currBal;
+    }
+
+    public void deposit(double dep){
+        this.balance += dep;
+        System.out.println("The new balance is £" + df.format(this.balance));
+    }
+
+    public void withdrawal(double wd){
+        if(wd < this.balance){
+            this.balance -= wd;
+        }else{
+            System.out.println("You are attempting to withdraw more than your current balance");
+        }
+    }
+
+    public void bankFees(){
+        double fee = this.balance * 0.05f;
+        this.balance -= fee;
+        System.out.println("Thank you for paying your bank fees. Your current balance is £"+ df.format(this.balance));
+    }
+
+    public void display(){
+        System.out.println("Your Account Details:");
+        System.out.format("Account Number: %-20d Account Name: %-32s Current Balance: £%-16s", this.accountNumber, this.name, df.format(this.balance));
+    }
+}