Tech

Click here to download my virtual machine image Download virtual machine image: Link：https://pan.baidu.com/s/1yfY0SjDrtOeuTiEWf7YizA?pwd=374l Fetch Code：374l My VirtualBox version is 6.1 Let me talk about nostalgic For most people, Win95 is their youth, so they create UI component library React95, or create an OS serenity together. But for most Chinese people, when they got PC in 2000-2010, they used Windows XP in their PC. sh1zuku is from China, Taiwan, he created a Windows XP simulator on website: Project Link, Online Demo, and another programmer from Vietnam wrote a Windows 7 Simulator on website Online Demo....

An Example (kotlin) import java.util.TreeSet /** * Define a data class to test TreeSet Collection * Sort by TreeSet * id: player id * score: player score */ data class PlayerScore(var id: Int, var score: Int): Comparable<PlayerScore> { override fun compareTo(other: PlayerScore): Int { return if (score > other.score) { 1 } else if (score < other.score) { -1 } else { 0 } } } fun main() { //create a TreeSet val treeSet: TreeSet<PlayerScore> = TreeSet() //create 3 PlayerScore object，and use 'id101Obj' reference to the first obj //put these objects into the treeset val id101Obj = PlayerScore(101,100) //put in different order treeSet....