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Employee.java

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+package w3;
+
+public class Employee {
+        // 静态变量：公司名称
+        public static String companyName;
+
+        // 成员变量
+        private String id;       // 工号
+        private String name;     // 姓名
+        private String department;// 部门
+        private double salary;   // 工资
+
+        // 最低工资标准
+        private static final double MIN_SALARY = 2000;
+
+        // 构造方法：创建对象时赋值
+        public Employee(String id, String name, String department, double salary) {
+            this.id = id;
+            this.name = name;
+            this.department = department;
+            setSalary(salary); // 调用方法保证工资合法
+        }
+
+        // get/set 方法
+        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;
+        }
+
+        public void setSalary(double salary) {
+            if (salary >= MIN_SALARY) {
+                this.salary = salary;
+            } else {
+                this.salary = MIN_SALARY;
+                System.out.println("工资过低，自动调整为：" + MIN_SALARY);
+            }
+        }
+
+        // 涨薪方法
+        public void raiseSalary(double percent) {
+            double newSalary = salary * (1 + percent / 100);
+            setSalary(newSalary);
+        }
+
+        // 打印信息
+        @Override
+        public String toString() {
+            return "员工{" +
+                    "公司='" + companyName + '\'' +
+                    ", 工号='" + id + '\'' +
+                    ", 姓名='" + name + '\'' +
+                    ", 部门='" + department + '\'' +
+                    ", 工资=" + salary +
+                    '}';
+        }
+    }
+

TestEmployee.java

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+package w3;
+
+public class TestEmployee {
+        public static void main(String[] args) {
+            // 1. 设置公司名称（静态变量）
+            Employee.companyName = "湖南科技有限公司";
+
+            // 2. 创建两个员工对象
+            Employee emp1 = new Employee("E001", "张三", "技术部", 2500);
+            Employee emp2 = new Employee("E002", "李四", "人事部", 1800);
+
+            // 3. 打印信息
+            System.out.println(emp1);
+            System.out.println(emp2);
+
+            // 4. 涨薪
+            emp1.raiseSalary(5);
+            emp2.raiseSalary(10);
+            System.out.println("\n=====涨薪后=====");
+            System.out.println(emp1);
+            System.out.println(emp2);
+        }
+    }
+