sortstudent.java~13~

来自「继承和多态 实验目的： 1、 掌握继承和多态的概念与实现方法 2、 掌握如」· JAVA~13~ 代码 · 共 49 行

package generalSort;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class SortStudent extends GeneralSort {
    public SortStudent() {
    }

    int compare(int a, int b) {
        if (a > b) {
            return 1;
        } else if (a == b) {
            return 0;
        }
        return -1;
    }

    int compare(String str1, String str2) {
        int result = str1.compareTo(str2);
        if (result > 0) {
            return 1;
        } else if (result == 0) {
            return 0;
        }
        return -1;
    }

    int compare(Student a, Student b) {
        int flag_a = a.flag();
        int flag_b = b.flag();
        if (flag_a == flag_b&&flag_a==1) {return this.compare(a.getID(),b.getID());}
        return this.compare(a.getName(),b.getName());
    }
    int compare(Rectangle a,Rectangle b)
    {
        return this.compare(a.area(),b.area());
    }
}