In this tutorial, you learned how to work with Java maps, particularly theHashMapimplementation. You created a map with countries and their capitals and added and removed entries. You also learned best practices
In this quick article, we’ll take a look athow to invert aMapin Java. The idea is to create a new instance ofMap<V, K>for a given map of typeMap<K, V>. In addition, we’ll also see how to handle the case where there are duplicate values present in the source map. Please r...
iterating, filtering, mapping sequences of elements are deceptively simple to use. but these can also be overused and fall into some common pitfalls. to get a better understanding on how streams work and how to combine them with other language features, check out our guide to java streams: ...
Import into the Google Maps app— You can load your Google My Maps map into the Google Maps app on iOS or Android. Just hit the menu icon and look for the Your Places option. Thistutorialis a great way to learn Google My Maps. Google My Maps Conclusion A few final, helpful tips: Y...
There are multiple ways to merge or join two instances of the HashMap class in Java. In this article, you'll learn to join maps with and without handling duplicate keys.Let us say you have got the following two HashMap objects that you want to combine:Map<String, Integer> map1 = new...
The get methodTo retrieve a value from a HashMap, we use the get method. It takes a key as a parameter. Main.java import java.util.HashMap; import java.util.Map; void main() { Map<String, String> capitals = new HashMap<>(); capitals.put("svk", "Bratislava"); capitals.put("...
How to use Google Maps on Phones offline While using Google Maps offline is a very handy tool for travel, it’s not possible to view MyMaps on Google Maps App without being connected to the internet. There’s no option to permanently download MyMaps on phones or Google Maps, only to pu...
While maps are great at showing geographic distribution of your data, they can’t always make it easy to compare parts of your data to a whole or show trends. Consider pairing a map with other chart types on your dashboard to convey additional data information. ...
Website heatmaps are a powerful way to understand what your users do on your website—where they click, how far they scroll, what they engage with, and more. Click maps and scroll maps are the most popular types of heatmaps, but there are many other types. UX designers, marketers, ...
Learn how to optimize route on Google Maps, when you should consider using Google Maps alternatives, and the best alternative route planners.