编写一个SuperArray类，实现对数组的增删改查以及排序等方法，类似于ArrayList，可以重复的添加或者删除

package study04;

public class SuperArray {

    private int[] array;
    private int currentIndex = -1;

    public SuperArray(){
        array = new int[5];
    }

    public SuperArray(int size){
        array = new int[size];
    }
//    public void add(int number){
//        currentIndex++;
//        if (currentIndex>=array.length){
//            int[] temp = new int[array.length*2];
//            for (int i = 0; i < array.length; i++) {
//                temp[i]=array[i];
//            }
//            array = temp;
//        }
//        array[currentIndex] = number;
//    }
    public SuperArray add(int number){
        currentIndex++;
        if (currentIndex>=array.length){
            int[] temp = new int[array.length*2];
            for (int i = 0; i < array.length; i++) {
                temp[i]=array[i];
            }
            array = temp;
        }
        array[currentIndex] = number;
        return this;
    }

    public SuperArray remove(int index){
        if (index>currentIndex){
            System.out.println("输入非法");
        }else {
            for (int i = index; i < currentIndex; i++) {
                array[i] = array[i + 1];
            }
            currentIndex--;
        }
        return this;
    }

    public void set(int index,int number){
        if (index>currentIndex){
            System.out.println("输入非法");
        }else {
            array[index] = number;
        }
    }

    public int get(int index){
        if (index>currentIndex){
            System.out.println("输入非法");
        }else {
            return array[index];
        }
        return 0;
    }

    public void sort(){
        int temp;
        for (int i = 0; i < currentIndex; i++) {
            for (int j = 0; j < currentIndex - i; j++) {
                if (array[j]>array[j+1]){
                    temp = array[j];
                    array[j] = array[j+1];
                    array[j+1] = temp;
                }
            }
        }
    }

    public void print(){
        String s = "[";
        for (int i = 0; i <= currentIndex; i++) {
            if (i==currentIndex){
                s+=array[i];
            } else {
                s+=array[i]+",";
            }
        }
        s+="]";
        System.out.println(s);
    }
}

编写一个SuperArray类，实现对数组的增删改查以及排序等方法，类似于ArrayList，可以重复的添加或者删除

原文：https://www.cnblogs.com/wenrou-pan/p/14491963.html