import java.util.Scanner;

public class OOPScore {

//属性（1静态行为 ，全局变量 ）

int javaScore;

int cScore;

int sqlScore;

public static void main(String[] args) {

OOPScore score = new OOPScore();

score.inputScore();

double avg = score.calcAvg();

int sum = score.calcSum();

System.out.println(avg + "--" + sum);

}

public void inputScore() {

Scanner input = new Scanner(System.in);

System.out.println("请输入java成绩:");

javaScore = input.nextInt();

System.out.println("请输入C成绩:");

cScore = input.nextInt();

System.out.println("请输入SQL成绩:");

sqlScore = input.nextInt();

}

//计算平均分并返回

public double calcAvg() {

double av = (javaScore + cScore + sqlScore) / 3.0;

return av;

}

//计算总分并返回

public int calcSum() {

int sum = javaScore + cScore + sqlScore;

return sum;

}

}