diff --git a/w3/Test.java b/w3/Test.java
deleted file mode 100644
index d653cf9..0000000
--- a/w3/Test.java
+++ /dev/null
@@ -1,72 +0,0 @@
-import java.util.Scanner;
-
-public class Test {
-    public static void main(String[] args){
-        BankAccount account = new BankAccount("abc123","zj");
-
-        System.out.println("当前余额：" + account.getBalance());
-
-        account.deposit(500);
-        account.deposit(-100);
-
-        account.withdraw(200);
-        account.withdraw(400);
-        account.withdraw(-50);
-
-        account.setOwnerName("ZJ123");
-        System.out.println("修改后户主：" + account.getOwnerName());
-
-        System.out.println("当前余额：" + account.getBalance());
-    }
-}
-
-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 getAccountNumber(){
-        return accountNumber;
-    }
-
-    public String getOwnerName(){
-        return ownerName;
-    }
-
-    public void setOwnerName(String ownerName) {
-        if (ownerName == null || ownerName.isBlank()) {
-            throw new IllegalArgumentException("invalid ownerName");
-        }
-        this.ownerName = ownerName.strip();
-    }
-
-    public double getBalance(){
-        return balance;
-    }
-
-    public void deposit(double amount){
-        if (amount > 0){
-            balance += amount;
-            System.out.println("存款成功，当前余额为"+balance+"元");
-        } else {
-            System.out.println("存款金额必须大于0");
-        }
-    }
-
-    public void withdraw(double amount){
-        if (amount>0 && amount<=balance){
-            balance -= amount;
-            System.out.println("取款成功，当前余额为"+balance+"元");
-        } else if (amount<=0){
-            System.out.println("取款金额必须大于0");
-        } else {
-            System.out.println("取款金额不能超过当前余额");
-        }
-    }
-}
\ No newline at end of file