1.平均分
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int sum =0;
for( int i = 0; i < 4 ; i++){
System.out.println("请输入第"+(i+1)+"个学生的成绩");
int score = scanner.nextInt();
sum +=score;
}
System.out.println("平均分为:"+sum / 4);
}
}