public static void main(String[] args) {        person c1 = new person();        c1.name = "王海燕";        c1.setage(18);        System.out.println(c1.getage());    }}class person{    String name;    private int age;    public void setage(int a){        if(a > 0 && a < 150)        age = a;        else            System.out.println("no");    }    public int getage(){        return age;    }   /* public void speak(){        System.out.println(name + "..." +age);    }*/}