关于动态数组的问题
import java.util.Scanner;import java.util.regex.Pattern;public class TestBubbleSort {public static void main(String[] args) {Scanner sc = new Scanner(System.in);boolean flag = true;String input = null;int[] array = new int[10];int len = 0;while(flag) {input = sc.next();if(GetSafeNumber.isInteger(input)) {array[len] = Integer.parseInt(input);len ++;if(len == array.length) {int[] newArray = arrayInc(array);array = newArray;}}if(input.equals("quit")) {flag = false;}}System.out.println("Origial:");ArraySort.dispaly(array, len);System.out.println();System.out.println("Sorted");ArraySort.bubbleSort(array, len);ArraySort.dispaly(array, len);}public static int[] arrayInc(int[] array) {int[] inc = new int[10];int[] newArray = new int[array.length + inc.length];for(int i = 0; i < array.length; i++) {newArray[i] = array[i];}return newArray;}/** * 判断是否是整数 * 方法：利用正则表达式 * @param s 需要判断的字符串 * @return 是整数返回真，否则返回假 */public static boolean isInteger(String s){Pattern pattern = Pattern.compile("(\\-?)[0-9]*");if(pattern.matcher(s).matches()) {return true;}return false;}}class ArraySort {public static void bubbleSort(int[] array, int len) {for (int i = 0; i < len; i++) {for(int j = 0; j < len - i - 1; j++) {if(array[j] > array[j + 1]) {int temp;temp = array[j];array[j] = array[j + 1];array[j + 1] = temp;}}}}public static void dispaly(int[] array,int len) {for (int i = 0; i < len; i++) {System.out.print(array[i] +" ");}}}