Startup Password for iPhone software-about the cocoa edition Hello World Program

About the cocoa Hello World Program

Almost all beginner books or official user manuals that introduce new languages provide a small example of Hello world. It is not vulgar here, but it also provides you with a hello World Program. However, this Hello World Program is not simply an example of printing "Hello World", but an application that uses the cocoa frame and has user interfaces. The Hello World Program interface is as follows.

 

 

 

 

 

The implementation of the function is very simple, When you click the say hello button, will display "hello" in the text box on the left

World !" String.

 

 

 

 

 

This article is excerpted from the book "software rich password: iPhone application development strategy-a simple introduction to objective-C 20.

The book "software rich password: An in-depth introduction to iPhone application development strategy objective-C 20" has been officially published by the Electronics Industry Publishing House and edited by Wang Zhigang.

 

 

 

 

 

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