1//继承和重写方法。。。。

package com.mingrisoft;
public class Employee {

    
    private String name;
    private double gongzi;
    
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public double getGongzi() {
        return gongzi;
    }

    public void setGongzi(double gongzi) {
        this.gongzi = gongzi;
    }
}

public class Manager extends Employee {

    private String Name;
//    
//    private double GongZi;
    
    public double JiangJin=3000.0;

    public double getJiangJin() {
        
        return JiangJin;
    }

    public void setJiangJin(double jiangJin) {
        JiangJin = jiangJin;
    }

//    public double getGongZi() {
//        return GongZi;
//    }
//
//    public void setGongZi(double gongZi) {
//        GongZi = gongZi;
//    }
    public void setName(String name){
        
        Name=name;
    }
    public void setName(){
        
        
    }
    
}

public class Test {

    public static void main(String[] args) {
        
        Manager manager = new Manager();
        
        Employee employee=new Employee();
        
        manager.setName("123");
        
        employee.setName("456");
        
        System.out.println(manager.getJiangJin());
        
        System.out.println(employee.getName());
        
        System.out.println(manager.getName());
        
        
        
    }

}

3000.0
456
null