public class FinalTest_07 {
    public static void Test1(){
    /*
    * 分别应用数组的静态初始化方式和动态初始化方式，将表格中的数据存储到数组中
    * 120 | 95.5 | 88 | 125.9 | 69 | 76.7
    * */
        float[] arr = new float[]{120f,95.5f,88f,125.9f,69f,76.7f};
        float[] arr2 = {120f,95.5f,88f,125.9f,69f,76.7f};

        float[] arr3;
        arr3 = new float[6];
        arr3[0] = 120f;
        arr3[1] = 95.5f;
        arr3[2] = 88f;
        arr3[3] = 125.9f;
        arr3[4] = 69f;
        arr3[5] = 76.7f;

    }

    public static void Test2(){
        /*
        * 遍历数组，将大于 100 的元素打印输出
        * int[] arr = {16, 125, 13, 246, 55, 18, 26, 160, 99, 120, 188};
        * */
        int[] arr = {16, 125, 13, 246, 55, 18, 26, 160, 99, 120, 188};
        for (int i = 0; i < arr.length; i++){
            if (arr[i] > 100){
                System.out.println(arr[i] + "大于100");
            }
        }

    }

    public static void Test3(){
        /*
        * 想找出数组中下标为偶数的所有元素
        * 下面是代码和运行结果, 检查一下
        * 代码是否有问题，虽然程序运行没有报错
        * int[] arr = {16, 125, 13, 246, 55, 18, 26, 160, 99, 120, 188};
          for (int i = 0; i <= arr.length; i++) {
            if (i % 2 == 0) {
               System.out.println("arr[" + i + "]: " + arr[i]);
                }
            }
        */

        //1. 数组越界, 删除=号
        int[] arr = {16, 125, 13, 246, 55, 18, 26, 160, 99, 120, 188};
        for (int i = 0; i < arr.length; i++) {
            //2. 访问数组索引值, 而不是偶数索引
            if (arr[i] % 2 == 0) {
                System.out.println("arr[" + i + "]: " + arr[i]);
            }
        }

    }

    public static void Test4(){
        /*
        * 微信运动记录了小慕一周的步数，从周一到周日，运动步数分别是
        * 22716、16512、19472、25720、15767、12898、21169，
        * 帮小慕看看周几的步数最多，是多少步？
        * */


        int[] stepArr = {22716, 16512, 19472, 25720, 15767, 12898, 21169};
        int maxStep = stepArr[0];    //初始化最大步数
        int week = 0;

        for (int i = 0; i < stepArr.length; i++){
            if (maxStep < stepArr[i]){
                maxStep = stepArr[i];
                week = (i + 1);
            }
        }
        System.out.println("周" + week + "步数最多, 是" + maxStep + "步");

    }

    public static void Test5(){
        /*
        * 计算每个人的平均分数
        5 位选手参加歌唱比赛，10 位评委对每个选手的打分如下：
        第 1 位：99, 96, 97.5, 89, 95.5, 93, 99, 95, 98, 99.5
        第 2 位：91, 95.5, 97, 92, 99, 98, 94, 95.5, 96, 99
        第 3 位：90.5, 92, 99, 99.5, 95, 90, 97, 96, 93, 91.5
        第 4 位：98, 95, 95.5, 99, 92, 93.5, 93, 97.5, 96, 99.5
        第 5 位：95, 91.5, 93, 96, 98.5, 99, 94, 96.5, 95.5, 92
        * */
        float[][] score = new float[5][10];
        score[0] = new float[]{99f, 96f, 97.5f, 89f, 95.5f, 93f, 99f, 95f, 98f, 99.5f};
        score[1] = new float[]{91f, 95.5f, 97f, 92f, 99f, 98f, 94f, 95.5f, 96f, 99f};
        score[2] = new float[]{90.5f, 92f, 99f, 99.5f, 95f, 90f, 97f, 96f, 93f, 91.5f};
        score[3] = new float[]{98f, 95f, 95.5f, 99f, 92f, 93.5f, 93f, 97.5f, 96f, 99.5f};
        score[4] = new float[]{95f, 91.5f, 93f, 96f, 98.5f, 99f, 94f, 96.5f, 95.5f, 92f};

        for (int row = 0; row < score.length; row++){
            float pointPer = 0f;
            for (int col = 0; col < score.length; col++){
                pointPer += score[row][col];
            }
            System.out.println("第" + (row + 1) + "位平均分: " + pointPer / score.length);
        }
    }

    public static void Test6(){
        /*
        * 在“第5题”的基础上，将个人平均成绩排序输出
          在上一题的基础上，计算每个人的平均分数之后，将 5 个人的平均成绩排序输出
        * */
        float[][] score = {
                {99f, 96f, 97.5f, 89f, 95.5f, 93f, 99f, 95f, 98f, 99.5f},
                {91f, 95.5f, 97f, 92f, 99f, 98f, 94f, 95.5f, 96f, 99f},
                {90.5f, 92f, 99f, 99.5f, 95f, 90f, 97f, 96f, 93f, 91.5f},
                {98f, 95f, 95.5f, 99f, 92f, 93.5f, 93f, 97.5f, 96f, 99.5f},
                {95f, 91.5f, 93f, 96f, 98.5f, 99f, 94f, 96.5f, 95.5f, 92f}};

        float[] sortArr = new float[5];

        for (int row = 0; row < score.length; row++){
            float pointPer = 0f;
            for (int col = 0; col < score[0].length; col++){
                pointPer += score[row][col];
            }
            System.out.println("第" + (row + 1) + "位平均分: " + pointPer / score[0].length);
            sortArr[row] = pointPer / score[0].length;
        }


        int length = sortArr.length;
        //检测数据录入
//        for (int i = 0; i < length; i++){
//            System.out.println(sortArr[i]);
//        }

        System.out.println("按顺序排名成绩:");
        for (int i = 0; i < length - 1; i++) {
            for (int j = 0; j < length - 1 - i; j++){
                float temp = 0;
                if (sortArr[j] > sortArr[j + 1]){
                    temp = sortArr[j];
                    sortArr[j] = sortArr[j + 1];
                    sortArr[j + 1] = temp;
                }
            }
        }
        for (float i:
            sortArr){
            System.out.print(i + "\t");
        }
    }

    public static void main(String[] args) {
        Test1();
        Test2();
        Test3();
        Test4();
        Test5();
        Test6();
    }
}

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