In this tutorial, we'll be taking a look at how to convert a JSON object into a Java Object using Jackson, an extremely popular data-binding library for Java.
Specifically, we'll be working with this JSON object:
{
"name":"David",
"position":"Software Engineer",
"In this tutorial, we'll take a look at how to sort a HashMap by key in Java.
Let's go ahead and create a simple HashMap:
Map<String, Integer> unsortedMap = new HashMap();
unsortedMap.put("John", 21);
unsortedMap.put("Maria", 34);
unsortedMap.put("Mark"In this tutorial, we'll take a look at how to sort a HashMap by value in Java.
Let's go ahead and create a simple HashMap:
Map<String, Integer> unsortedMap = new HashMap();
unsortedMap.put("John", 21);
unsortedMap.put("Maria", 34);
unsortedMap.put("Mark"YAML stands for YAML Ain't Markup Language, it is a data-serialization language most commonly used for specifying project configuration details. The main motivation behind YAML is that it is designed to be in a format which is humanly friendly. With a glance we can get an understanding of the
A* is a heuristic path searching graph algorithm. This means that given a weighed graph, it outputs the shortest path between two given nodes.
The algorithm is guaranteed to terminate for non-infinite graphs with non-negative edge weights. Additionally, if you manage to ensure certain properties when designing your heuristic
Form Data Validation is a very common, and rudimentary step in building any web application with user input. We want to make sure that certain ranges are respected, and that certain formats are followed. For example, we'll want to make sure that the user isn't -345 years old, or
Printing an array is a quick way to give us visibility on the values of the contents inside. Sometimes the array values are the desired output of the program.
In this article, we'll take a look at how to print an array in Java using four different ways.
While
Server logs are an important part of development, that record the activities or events that the system is performing at any given point in time.
Spring Boot makes use of Apache Commons' Logging for its system logs by default. Additionally, by default you can use any of the logging
Understand your data better with visualizations! With over 330+ pages, you'll learn the ins and outs of visualizing data in Python with popular libraries like Matplotlib, Seaborn, Bokeh, and more.
Includes a free 30 page Seaborn guide!
