1095 decoding PAT admission card (25 points)

PAT admission number consists of 4 parts: The first is the level, that is, T stands for the top level; A stands for class A; B stands for class B; The 2nd to 4th digits are the examination room number, ranging from 101 to 999; The 5th ~ 10th place is the examination date, with the format of year, month and day, accounting for 2 places in seque ...

Posted by mdomel on Mon, 04 Oct 2021 13:53:38 -0700

Learn Go: 9. Built in set - map

Learn what What is a map? How to create a map? Determine whether the key exists? How to get the map length? How to traverse a map? How to delete key / value pairs? Is map a reference type or a value type? concept map is an unordered set of key / value pairs, which is called dictionary, associative array, hash table and so on in other langua ...

Posted by hightechredneck on Tue, 28 Sep 2021 20:02:31 -0700

Two column set Map

Double column set: key: value public class MapDDDDemo { public static void main(String[] args) { Map map = new HashMap<Integer,String>(); map.put(1,"Hello"); map.put(2,"world"); map.put(3,"hello"); System.out.println("map Length:"+map.size()); System.out.println("map Include key ...

Posted by joshuamd3 on Fri, 24 Sep 2021 21:36:05 -0700