java编程是什么？

public class Employee {
public String name;
public String eId;
public double salary;//公司
public double getSalary(){
return this.salary;
}
}
class Boss extends Employee{
public double bonus;//奖金
public double getSalary(){
return salary+bonus;
}
}
如果设置属性私有 ，加上get/set方法本回答被网友采纳