Components of Apache POI:

Apache POI contains classes and METHODS to work on all OLE2 Compound documents of MS Office. The list of components of this API is given below.

POIFS (Poor Obfuscation Implementation File System) − This component is the basic factor of all other POI elements. It is used to read different files EXPLICITLY.

• HSSF (Horrible Spreadsheet Format): It is used to read and write xls format of MS-Excel files.
• XSSF (XML Spreadsheet Format): It is used for xlsx file format of MS-Excel.
• HPSF (Horrible PROPERTY Set Format): It is used to extract property sets of the MS-Office files.
• HWPF (Horrible Word PROCESSOR Format): It is used to read and write doc extension files of MS-Word.
• XWPF (XML Word Processor Format): It is used to read and write docx extension files of MS-Word.
• HSLF (Horrible Slide Layout Format): It is used for read, create, and edit PowerPoint presentations.
• HDGF (Horrible DiaGram Format): It contains classes and methods for MS-Visio BINARY files.
• HPBF (Horrible PuBlisher Format): It is used to read and write MS-Publisher files.

Components of Apache POI:

Apache POI contains classes and methods to work on all OLE2 Compound documents of MS Office. The list of components of this API is given below.

POIFS (Poor Obfuscation Implementation File System) − This component is the basic factor of all other POI elements. It is used to read different files explicitly.