diff --git a/w3/Employee.java b/w3/Employee.java
new file mode 100644
index 0000000..d9bbfba
--- /dev/null
+++ b/w3/Employee.java
@@ -0,0 +1,78 @@
+public class Employee {
+    private String id; // 工号
+    private String name; // 姓名
+    private String department; // 部门
+    private double salary; // 工资
+
+    public static String companyName; // 静态变量
+
+    private static final double MIN_SALARY = 2000.0; // 最低工资标准常量
+
+    // 全参构造方法
+    public Employee(String id, String name, String department, double salary, String companyName) {
+        this.id = id;
+        this.name = name;
+        this.department = department;
+        this.setSalary(salary);
+        Employee.companyName = companyName; // 为静态变量赋值（所有实例共享）
+    }
+
+    // getter和setter
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getDepartment() {
+        return department;
+    }
+
+    public void setDepartment(String department) {
+        this.department = department;
+    }
+
+    public double getSalary() {
+        return salary;
+    }
+    // 最低工资校验
+    public void setSalary(double salary) {
+        if (salary >= MIN_SALARY) {
+            this.salary = salary;
+        } else {
+            System.out.println("工资设置失败！已自动设置为最低工资" + MIN_SALARY);
+            this.salary = MIN_SALARY;
+        }
+    }
+
+    // 涨薪方法
+    public void raiseSalary(double percent) {
+        if (percent < 0) {
+            System.out.println("涨薪百分比不能为负数，操作取消");
+            return;
+        }
+        double newSalary = this.salary * (1 + percent / 100);
+        this.salary = Math.max(newSalary, MIN_SALARY);
+        System.out.println(name + " 涨薪后工资：" + this.salary);
+    }
+
+    // 打印员工信息
+    @Override
+    public String toString() {
+        return "公司：" + companyName +
+                " | 工号：" + id +
+                " | 姓名：" + name +
+                " | 部门：" + department +
+                " | 工资：" + salary;
+    }
+}
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