package Code429; import java.util.ArrayList;import java.util.Random; public class CodeArrayListPrint { public static void main(String[] args) { ArrayList<Integer> biglist = new ArrayList<>(); Random random = new Random(); for (int i = 0; i <
链表文件 package sort; public class SqList { public int LIST_INIT_SIZE = 8;//链表的原始大小 private int INCREMENT = 1;//链表的增量大小 private Object[] SqList = null;//链表 private int curIndex = 0;//当前位置 /** * 初始化链表 * */ public void initList(
1.简单认识正则: public class Test { public static void main(String[] args) { //简单认识正则 p("abc".matches("...")); p("a8729a".replaceAll("\\d", "-")); } public static void p(Object o){ System.out.println(o); } } 一个.
Description Given an array A of non-negative integers, return an array consisting of all the even elements of A, followed by all the odd elements of A. You may return any answer array that satisfies this condition. Example 1 Input: [3,1,2,4] Output: