The software development world has changed significantly in the past five years. Noteworthy among its many changes is the emergence of the ""Unified Modeling Language"" (UML) as an industry standard. While thousands of software computer professionals and students continue to rely upon the bestselling first edition of Software Testing, the time has come to bring it up to date. Thoroughly revised, the second editionof Software Testing: A Craftsman's Approach reflects the recent growth and changes in software standards and development. Outdated material has been deleted and new topics, fi.Abstract: The software development world has changed significantly in the past five years. Noteworthy among its many changes is the emergence of the ""Unified Modeling Language"" (UML) as an industry standard. While thousands of software computer professionals and students continue to rely upon the bestselling first edition of Software Testing, the time has come to bring it up to date. Thoroughly revised, the second edition of Software Testing: A Craftsman's Approach reflects the recent growth and changes in software standards and development. Outdated material has been deleted and new topics, fi