结对评审

package math;

public class math {
    public static void subject(Object obj) {
        System.out.println(obj);
    }

    public static void main(String[] args) {
        subject("数学课后练习题：");
        int count = 0;
        for (int i = 0; i < 300; i++) {
            int d1 = (int) ((Math.random()) * 100);
            int d2 = (int) ((Math.random()) * 100);
            int k = (int) ((Math.random()) * 100);
            int k2 = (int) ((Math.random()) * 100);
            int k3 = (int) ((Math.random()) * 100);
            int k4 = (int) ((Math.random()) * 100);

            int x = 1;
            
            if (0 <= k && k < 12)
                x = 1;
            else if (12 <= k && k < 24)
                x = 2;
            else if (24 <= k && k < 36)
                x = 3;
            else if (36 <= k && k < 48)
                x = 4;
            else if (48 <= k && k < 60)
                x = 5;
            else if (60 <= k && k < 72)
                x = 6;
            else if (72 <= k && k < 84)
                x = 7;
            else
                x = 8;
            
            switch (x) {
            case 1:
                subject(d1 + "+" + d2 + "=");
                break;
            case 2:

                jianfa(d1, d2);
                break;
            case 3:
                subject(d1 + "*" + d2 + "=");
                break;
            case 4:

                chufa(d1, d2);
                break;
            case 5:
                subject(zhenfenshu(k, k2) + "+" + zhenfenshu(k3, k4) + "=");
                break;
            case 6:
                subject(zhenfenshu(k, k2) + "-" + zhenfenshu(k3, k4) + "=");
                break;
            case 7:
                subject(zhenfenshu(k, k2) + "*" + zhenfenshu(k3, k4) + "=");
                break;
            case 8:
                subject(zhenfenshu(k, k2) + "/" + zhenfenshu(k3, k4) + "=");
                break;
            default:
                subject("stop,stop,stop");
                break;
            }
            count++;
        }
        subject("以上共有" + count + "四则运算练习题！");
    }


    public static void jianfa(int a, int b) {
        if (a > b)
            subject(a + "-" + b + "=");
        else {
            subject(b + "-" + a + "=");
        }
    }


    public static void chufa(int a, int b) {
        if (b > 0)
            subject(a + "/" + b + "=");
        else {
            b = b + 10;
            subject(a + "/" + b + "=");
        }
    }

    public static String zhenfenshu(int a, int b) {
        if (a <= b)
            return a + "/" + b;
        else
            return b + "/" + a;
    }
}

评审结果：

1.类中没有注释

2.方法名采用拼音

3.随机变量定义不合理