In this chapter, a reader will be presented with String class methods in more detail. We will also discuss popular string utilities from standard libraries and Apache Commons project. An overview of Java input/output streams and related classes of the java.io packages will follow along with some classes of the org.apache.commons.io package. The file managing classes and their methods are described in the dedicated section.
The following topics will be covered in this chapter:
- Strings processing
- I/O streams
- Files management
- Apache Commons utilities FileUtils and IOUtils