java/w3/Employee.java

public class Employee  {
    private String id;
    private String name;
    private String department;
    private double salary;

    // 全参构造方法
    public Employee(String id, String name, String department, double salary) {
        this.id = id;
        this.name = name;
        this.department = department;
        setSalary(salary);
    }

    // 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;
    }

    public void setSalary(double salary) {
        if (salary >= 2000) {
            this.salary = salary;
        } else {
            System.out.println("工资不能低于2000！");
        }
    }

    // 涨薪方法
    public void raiseSalary(double percent) {
        double newSalary = salary * (1 + percent / 100);
        setSalary(newSalary);
    }
}

// 测试类
class TestEmployee {
    public static void main(String[] args) {
        Employee emp1 = new Employee("1001", "张三", "技术部", 5000);
        Employee emp2 = new Employee("1002", "李四", "销售部", 3000);

        System.out.println("=== 初始信息 ===");
        System.out.println(emp1.getName() + " - " + emp1.getDepartment() + " - 工资：" + emp1.getSalary());
        System.out.println(emp2.getName() + " - " + emp2.getDepartment() + " - 工资：" + emp2.getSalary());

        System.out.println("\n=== 涨薪后 ===");
        emp1.raiseSalary(10);
        System.out.println(emp1.getName() + "涨薪后工资：" + emp1.getSalary());

        System.out.println("\n=== 修改部门 ===");
        emp2.setDepartment("市场部");
        System.out.println(emp2.getName() + "新部门：" + emp2.getDepartment());

        System.out.println("\n=== 测试非法工资 ===");
        emp2.setSalary(1500);
    }
}