2) 單,多
3) k=54
4) ’\’
5)543
6)0
7)靜態類,抽象類
8)主類是壹個程序代碼裏面包含main()方法的類,壹個Java application只能有壹個主類;
如果是Applet程序的話可以沒有主類;
9)super.
10) f1,b1, i 錯誤
11) do while
12) 3
13) public class Student {
private String stuNu;
private int age;
private String sex;
private String name;
private String mobile;
public String getStuNu() {
return stuNu;
}
public void setStuNu(String stuNu) {
this.stuNu = stuNu;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getMobile() {
return mobile;
}
public void setMobile(String mobile) {
this.mobile = mobile;
}
public String toString() {
return ("我是:"+name+",性別:"+sex",年齡:"+age);
}
}