When working with Strings in Java, we oftentimes need to encode them to a specific charset, such as UTF-8.
UTF-8 represents a variable-width character encoding that uses between one and four eight-bit bytes to represent all valid Unicode code points.
A code point can represent single characters, but also
In this guide, we'll be utilizing Netflix Eureka, a microservice discovery service to combine a Spring Boot microservice with a Flask microservice, bridging services written in totally different programming languages and frameworks.
We'll be building two services - The End-User Service, which is a Spring Boot service oriented at
The InputStream class is a high-level class representing any input byte stream in Java. Various subclasses further specify its usage, such as the BufferedInputStream, ByteArrayInputStream, SequenceInputStream, etc.
Needles to say, an InputStream can store any data and in some cases, they store String contents as a byte stream.
In this
Dates are something we encounter in everyday life, whether they're used for calendars, scheduling appointments, or even remembering birthdays. Naturally, when working with dates we will often need to know if a certain date comes before or after another, or if they represent the same calendar date.
In this
In this tutorial, we'll be taking a look at how to convert a JSON String into a Java Map using Jackson, an extremely popular data-binding library for Java.
Specifically, we'll be working with this JSON object:
{
"Task 1" : "In-Progress",
"Task 2" : "Done"In Java, there is a distinct difference between null, empty, and blank Strings.
String object with an assigned value, but its length is equal to zero.null string has no value at all.In this tutorial, we'll take a look at how to generate random integers in a specific range in Java.
We'll be taking a look at several approaches, including core Java and third-party solutions:
Note: For each approach,
Map implementations in Java represent structures that map keys to values. A Map cannot contain duplicate keys and each can at most be mapped to one value. The Map<K,V> implementations are generic and accept any K (key) and V (value) to be mapped.
The Map
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