JAVA经典算法50题(19)

public class Demo50 {
public static Student input() {
Scanner s = new Scanner(System.in);
System.out.println("请输入学号：");
int num = s.nextInt();
System.out.println("请输入姓名：");
String name = s.next();
System.out.println("请分别输入3门成绩：");
double[] a = new double[3];
for (int i = 0; i < 3; i++) {
a[i] = s.nextDouble();
}
return new Student(num, name, a);
}
public static void main(String[] args) throws Exception {
Student[] st = new Student[2];
for (int i = 0; i < st.length; i++) {
st[i] = input();
}
File f = new File("d:" + File.separator + "123.txt");
FileWriter output = new FileWriter(f);
for (int
i = 0; i < st.length; i++) {
output.write(st[i].toString() + "\r\n");
output.write("\r\n");
}
output.close();
}
}