数组的中间插入 和 中间删除

package shujujiegou;

public class Array {
public static void main(String[] args) {
Array a = new Array();

  /*  int[] array = new int[8];
    array[0] = 10;
    array[1] = 11;
    array[2] = 12;
    array[3] = 13;
    array[4] = 14;

    final int[] insert = a.insert(array, 2, 7,6);
    for (int i = 0; i <insert.length ; i++) {
        System.out.println(insert[i]);
    }*/


    int[] array2 = new int[10];
    array2[0] = 10;
    array2[1] = 11;
    array2[2] = 12;
    array2[3] = 13;
    array2[4] = 14;

    a.delete(2,  array2);
    for (int i : array2) {
        System.out.println(i);
    }
}

 //往数据插入数据 index 位置  element数据
private int[] insert(int[] array, int index, int element,int size) {
    //从右循环数组，当长度小于index时候，插入数据 让数组往后迁移一位

    for (int i = size; i >=index ; i--) {
        array[i]=array[i+1];

    }
    array[index]=element;

    return array;
}
//删除数据
private void delete(int index, int[] array2) {
    //需要把数都往前移动一位
    int size=array2.length;
    for (int i = index; i <size; i++) {
        array2[i]=array2[i+1];
        size--;
    }
}

}