Apple said Monday that it will unveil the next generation operating systems (iOS 5.0) for the iPhone and the Macintosh computer at its Worldwide Developers Conference in San Francisco in June. The company will hold its annual Worldwide Developers Conference (WWDC) June 6 through June 10 at San Francisco's Moscone West.

"At this year's five-day conference Apple will unveil the future of iOS and Mac OS, including exciting demonstrations of the new kinds of apps that developers can build using Apple'sframeworks and more than 100 technical sessions presented by Apple engineers," Apple said in a statement.

Originally developed for the iPhone, iOS also now powers Apple's iPad tablet computer and the iPod Touch.

"If you are an iOS or Mac OS X software developer, this is the event that you do not want to miss," said Philip Schiller, Apple?s senior vice president of Worldwide Product Marketing.

Mobile developers will also be able to explore the latest functionality, performance and design of their apps. Mac developers will see and learn how to develop Mac OS X Lion applications using its latest technologies and capabilities. Developers can even bring their code to the labs and work with Apple engineers, applying development techniques and best-practices to enhance their apps.

Apple said its engineers will host 100 technical sessions during the conference, which typically draws thousands of developers of programs for Macintosh computers, the iPhone, the iPod and the iPad.