LinkedList实现：package cn.meowrain.Datastructure.collection;public class LinkedList<E> { //链表的头结点，用于连接之后的所有结点 private final Node<E> he

const stu1 = { name: "xiaoming", age: 18, friend: { name: "mike", age: 17, },};const stu1_json = JSON.stringify(stu1); /

Javascript 面向对象(OOP)语法class 类名 { constructor(){ }}举例://Person类专门用来创建人的对象class Person { constructor(name,age,hooby){ this.name = name;

let num = 10; console.log(typeof num.toString()); // string let str = "hello world"; console.log(str.split(" &quo

两种对象拷贝 let stu = { name: "meow", age: 17, friend: { name: "mike",

//原始类型 let addr_name = "beijing"; let addr_name2 = addr_name; addr_name = "jinan"; console.log

package sort;import java.util.Arrays;//冒泡排序模板public class bubble_sort { public static void main(String[] args) { int[] arr = {44,-30,20,100,

package sort;import java.util.Arrays;//选择排序模板public class select_sort { public static void main(String[] args) { int[] arr = new int[]{10,20

package sort;import java.util.Arrays;public class insert_sort { public static void main(String[] args) { int[] arr = new int[]{1, 10, -5, 12

package cn.meowrain.Math;public class math { public static void main(String[] args) { //1. abs绝对值 int abs = Math.abs(-19); Sys