diff --git a/BankAccount.java b/BankAccount.java
new file mode 100644
index 0000000..2e481fd
--- /dev/null
+++ b/BankAccount.java
@@ -0,0 +1,40 @@
+public class BankAccount {
+    private final String accountNumber;
+    private String ownerName;
+    private double balance;
+    public BankAccount (String accountNumber, String ownerName){
+        this.accountNumber=accountNumber;
+        this.ownerName=ownerName;
+        this.balance=0.0;
+    }
+        public String getOwnerName() {
+            return ownerName;
+        }
+        public void setOwnerName(String ownerName) {
+            this.ownerName=ownerName;
+        }
+        public String getAccountNumber() {
+            return accountNumber;
+        }
+        public double getBalance() {
+            return balance;
+        public void deposit(double amount) {
+            if (amount > 0) {
+                this.balance += amount;
+                System.out.println("存款成功！当前余额：" + this.balance + " 元");
+            } else {
+                System.out.println("存款失败！存款金额必须大于0。");
+            }
+        }
+        public void withdraw(double amount) {
+            if (amount <= 0) {
+                System.out.println("取款失败！取款金额必须大于0。");
+            } else if (amount > this.balance) {
+                System.out.println("取款失败！余额不足，当前余额：" + this.balance + " 元");
+            } else {
+                this.balance -= amount;
+                System.out.println("取款成功！当前余额：" + this.balance + " 元");
+            }
+        }
+    } 
+}   
\ No newline at end of file