Strings processing

In a mainstream programming, String probably is the most popular class. In Chapter 1, Getting Started with Java 12, we have learned about this class, its literals and its specific feature called string immutability. In this section, we will explain how a string can be processed using String class methods and utility classes from the standard library and the StringUtils class from the org.apache.commons.lang3 package in particular.

Methods of the String class

The String class has more than 70 methods that enable analyzing, modifying, comparing strings, and converting numeric literals into the corresponding string literals. To see all the methods of the String class, please refer the Java API online at https...