## Java String APIs This module contains articles about string APIs. ### Relevant Articles: - [Retain Only Digits and Decimal Separator in String](https://www.baeldung.com/java-string-retain-digits-decimal) - [Difference Between null and Empty String in Java](https://www.baeldung.com/java-string-null-vs-empty) - [Guide to Java String Pool](https://www.baeldung.com/java-string-pool) - [Java Localization – Formatting Messages](https://www.baeldung.com/java-localization-messages-formatting)