generalsort.java~11~

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~11~ 代码 · 共 47 行

package generalSort;

/**
 * <p>Title: GenaralSort</p>
 *
 * <p>Description: A general class for sort, which has two methods:
 * int compare(Object a, Object b)---to compare two objects a & b:
 * if the former is greater then the latter, it returns 1
 * </p>
 *
 * <p>Copyright: Copyright (c) 2008 All rights reserved</p>
 *
 * <p>Company:Shandong University </p>
 *
 * @author: Xiao Ruohan
 * @version 1.0
 */
public class GeneralSort {
    public GeneralSort() {
    }

    int compare(Object a, Object b) {
        return 0;
    }

    boolean swapObject(Object ob[], int i, int j) {
        int len = ob.length - 1;
        if (i > len || j > len || i < 0 || j < 0) {
            return false;
        }
        Object temp = new Object();
        temp = ob[i];
        ob[i] = ob[j];
        ob[j] = temp;
        return true;
    }

    boolean swapObject(Object a, Object b) {
        Object temp = new Object();
        temp=a;
        a = b;
        b = temp;
        return true;
    }

}