From 8ba736b3786c668dc988b118d7734bc346d9727c Mon Sep 17 00:00:00 2001
From: Wanglixia <3035026499@qq.com>
Date: Wed, 25 Mar 2026 23:17:46 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20'src/w3'?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/w3/BankAccount.java | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/w3/BankAccount.java

diff --git a/src/w3/BankAccount.java b/src/w3/BankAccount.java
new file mode 100644
index 0000000..18f561d
--- /dev/null
+++ b/src/w3/BankAccount.java
@@ -0,0 +1,40 @@
+public class BankAccount {
+    private int accountNumber;
+    private String ownerName;
+    private double balance;
+    public BankAccount(int accountNumber,String ownerName,double balance) {
+        this.accountNumber = accountNumber;
+        this.balance = balance;
+        this.ownerName = ownerName;
+    }
+        public int getAccountNumber() {
+            return accountNumber;
+        }
+        public String getOwnerName() {
+            return ownerName;
+        }
+        public void setOwnerName(String ownerName) {
+            this.ownerName = ownerName;
+        }
+        public double getBalance() {
+            return balance;
+        }
+        //业务方法：存款
+        public void deposit(double amount) {
+            if (amount > 0) {
+                balance += amount;
+                System.out.println("存款成功，当前余额: " + balance);
+            }else {
+                System.out.println("存款金额必须大于0");
+            }
+        }
+        //业务方法：取款
+        public void withdraw(double amount) {
+            if  (amount > 0 && amount <= balance) {
+                balance -= amount ;
+                System.out.println("取款成功，当前余额: " + balance);
+            } else {
+                System.out.println("余额不足或金额无效");
+            }
+        }
+}
\ No newline at end of file