1111ssss

public?class?Student?{

private?String?id;

private?String?name;

private?String?profession;

private?String?major;

public?Student(){

}

public?Student(String?id,String?name,String?major){

this.id?=?id;

this.name?=?name;

this.major?=?major;

}

public?static?void?main(String[]?args)?{

Student?s?=?new?Student("22222","张三","数学");

System.out.println(s.getId());

s.setName("张三");

System.out.println(s.getMajor());

s.setMajor("英语");

}

//获取学号

public?String?getId()?{

return?id;

}

//修改名字

public?void?setName(String?name)?{

this.name?=?name;

}

//获取所修课程

public?String?getMajor()?{

return?major;

}

//修改所修课程

public?void?setMajor(String?major)?{

this.major?=?major;

}

}