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思考,总结

抽象类与抽象方法的使用练习

实战一: /*

  • 编写一个Employee类,声明为抽象类,包含如下三个属性:name,id,salary。
  • 提供必要的构造器和抽象方法:work()。对于Manager类来说,他既是员工,
  • 还具有奖金(bonus)的属性。请使用继承的思想,设计CommonEmployee类和Manager类,
  • 要求类中提供必要的方法进行属性访问。

*/

package ten;

class CommonEmployee extends Employee{
	public void work(){
		System.out.println("在流水线工作");
	}
}

//管理者
class Manager extends Employee{
	private double bonus;
	
	public double getBonus() {
		return bonus;
	}

	public void setBonus(double bonus) {
		this.bonus = bonus;
	}

	public void work(){
		System.out.println("监督员工的工作,提高效率");
	}
}
abstract class Employee{
	private String name;
	private int id;
	private double salary;
	
	public abstract void work();
	
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public double getSalary() {
		return salary;
	}
	public void setSalary(double salary) {
		this.salary = salary;
	}
	
	
}

public class TestEmployee {
	public static void main(String[] args) {
//		Manager m = new Manager();
		Employee e = new Manager();
		e.work();
		
		Employee e1 = new CommonEmployee();
		e1.work();
	}
}

韧桂 2019-12-30