技術標籤：java

學生成績

MikeCat

和，最大，平均值,成績大於60的人

package LianXi;
/*
    學生成績：和，最大，平均值,成績大於60的人

    */
import java.util.ArrayList;

public class Text02 {
    public static void main(String[] args) {
        ArrayList<Student> list = new ArrayList<>();
        list.add(new Student("MikeCat"
 
,12));
        list.add(new Student("Mike",23));
        list.add(new Student("Cat",54));
        list.add(new Student("麥克貓",89));
        list.add(new Student("麥克貓Cat",67));
        list.add(new Student("LL",78));
        list.add(new Student("tr"
 
,52));

        System.out.println("成績最高："+ getMax(list).getName() + " "+getMax(list).getScore());

        System.out.println("學生成績和：" + Sum(list));

        System.out.println("學生平均值：" + Sum(list)/ list.size());

        ArrayList<Student> list1 = getArrayList
 
(list);
        System.out.println("學生及格的人如下：" );
        for (int i = 0; i < list1.size(); i++) {
            Student s = list1.get(i);
            System.out.println(s.getName()+ "::" + s.getScore());
        }

    }
    public static Student getMax(ArrayList<Student> list){
        Student max = list.get(0);
        for (int i = 1; i < list.size(); i++) {
            Student stu = list.get(i);
            /*if (stu.getScore() > max.getScore()){
                max = stu;

            }*/
            max = (stu.getScore() > max.getScore())?stu:max;

        }
        return max;

    }

    public static int Sum(ArrayList<Student> list){

        int sum = 0;

        for (int i = 0; i < list.size(); i++) {
            sum += list.get(i).getScore();

        }
        return sum;

    }

    public static ArrayList<Student> getArrayList(ArrayList<Student> list){
        ArrayList<Student> newList = new ArrayList<>();

        for (int i = 0; i < list.size(); i++) {
            Student stu = list.get(i);
            if (stu.getScore() >= 60){
                newList.add(stu);

            }
        }
        return newList;

    }
}

Student

package LianXi;

public class Student {
    private String name;
    private int score;

    public Student() {
    }

    public Student(String name, int score) {
        this.name = name;
        this.score = score;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getScore() {
        return score;
    }

    public void setScore(int score) {
        this.score = score;
    }
}

Run

成績最高：麥克貓 89
學生成績和：375
學生平均值：53
學生及格的人如下：
麥克貓::89
麥克貓Cat::67
LL::78

• 作者：麥克貓Cat
• 本文版權歸作者和CSDN共有，歡迎轉載，且在文章頁面明顯位置給出原文連結，未經作者同意必須保留此段宣告，否則保留追究法律責任的權利。