Learn how to quickly convert a byte array to JSON and vicе vеrsa in Java.
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Convert an XML File to CSV File
Learn how to quickly convert XML files to CSV using Java
Executable Comments in Java
Learn how comments and Unicode escape sequences work together.
Convert a Hex String to an Integer in Java
Explore various approaches to converting a Hex String into an int in Java.
Create a “Mutable” String in Java
Learn about mutable Strings and ways of mutating a String.
Convert Char Array to Int Array in Java
Explore how to convert a char array to an int array in Java.
How to Support UTF-8 Encoding in Eclipse
Learn how to enable UTF-8 encoding for all projects and per file type in Eclipse.
Check if a String Is Strictly Alphanumeric With Java
Explore a couple of ways to check if a String is alphanumeric.
Increment Character in Java
Learn how to generate a sequence of characters from ‘A’ to ‘Z’ in Java.
Check if a String Has All Unique Characters in Java
A quick and practical guide to checking if a String has all unique characters in Java.
Check if a String Contains Non-Alphanumeric Characters
A quick and practical guide to checking if a String contains non-alphanumeric characters.
Remove Punctuation From a String in Java
Learn how to remove punctuation from a string using the standard String.replaceAll() method.
Find the Most Frequent Characters in a String
Learn three approaches to finding the most frequent characters in a string, with examples.
Convert a Number to a Letter in Java
Learn a few ways of converting an integer to an English letter.
Guide to Sending Post Request via cURL With Data From a File
Learn how to send data from files using cURL with the –data and –form options.
How to Post Raw Body Data With cURL
Learn how to use cURL for sending raw body data over a POST request.
Java Weekly, Issue 470
Pattern matching, GraalVM into OpenJDK, transactional MDC, event sourcing, and Postgres as a Message Queue!
Convert Between int and char in Java
Learn how characters are internally represented in Java and how we can convert an int to a char and back.
Java Weekly, Issue 463
Java thread deprecations, JPA locking, JVM logging, pattern matching, consistent caching at scale, and event sourcing!
Fixing the “java: integer number too large” Error
Learn two common pitfalls when we work with integer literals in Java.