java输入输出学生成绩_java输入学生成绩
public class Card {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
int stu[] = new int[3];
try{
for(int i=0; i
Student s = new Student();
s.getStudent();
s.showStudent();
s.averStudent();
}
}catch (Exception e){
System.out.println("输入有误：");
}
}
}
class Student {
int id;
String name;
double a,b,c;
double avg;
Object e=null;
public void getStudent(){
Scanner keyboard=new Scanner(System.in);
System.out.println("请输入学号：");
id=keyboard.nextInt();
System.out.println("请输入姓名：");
name=keyboard.next();
System.out.println("请输入语文课成绩：");
a=keyboard.nextInt();
System.out.println("请输入数学课成绩：");
b=keyboard.nextInt();
System.out.println("请输入英语课成绩：");
c=keyboard.nextInt();
}
public void showStudent() {
System.out.println("学号："+id+" "+"姓名："+ name+" "+"语文课成绩："+a+" "+"数学课成绩："+b+" "+"英语课成绩："+c);
}
public void averStudent() {
avg=(a+b+c)/3;
System.out.println("三门课的平均成绩是："+avg);
}
}
public class Card { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub int stu[] = new int[3]; try{ for(int i=0; i Student s = new Student(); s.getStudent(); s.showStudent(); s.averStudent(); } }catch (Exception e){ System.out.println("输入有误："); } } } class Student { int id; String name; double a,b,c; double avg; Object e=null; public void getStudent(){ Scanner keyboard=new Scanner(System.in); System.out.println("请输入学号："); id=keyboard.nextInt(); System.out.println("请输入姓名："); name=keyboard.next(); System.out.println("请输入语文课成绩："); a=keyboard.nextInt(); System.out.println("请输入数学课成绩："); b=keyboard.nextInt(); System.out.println("请输入英语课成绩："); c=keyboard.nextInt(); } public void showStudent() { System.out.println("学号："+id+" "+"姓名："+ name+" "+"语文课成绩："+a+" "+"数学课成绩："+b+" "+"英语课成绩："+c); } public void averStudent() { avg=(a+b+c)/3; System.out.println("三门课的平均成绩是："+avg); } }