Exploring Java 21’s Intriguing Additions (Part 1)

Java 21 is going to introduce several intriguing additions that enhance the language's capabilities. This article aims to discuss a few notable features that stand out, providing an overview of their functionalities and potential use cases.

Character Enhancements

1. Character.isEmoji(int codePoint): This method determines whether a character is considered an emoji based on its Unicode properties defined in Unicode Emoji (Unicode Emoji Technical Standard #51). For example, executing Character.isEmoji(9203) would return true for the character ⏳, which has the code point 9203.
2. Character.isEmojiPresentation(int codePoint): Similar to isEmoji(), this method checks if a character has the Emoji Presentation property. It helps identify characters that display as emojis when rendered.

Example: