tailieunhanh - objectivc book

A computer is a general purpose device that can be programmed to carry out a finite set of arithmetic or logical operations. Since a sequence of operations can be readily changed, the computer can solve more than one kind of problem. | OBJECT-ORIENTED programming and the OBJECTIVE-C LANGUAGE NeXT DEVELOPER S LIBRARY tm NeXT Software Inc. 900 Chesapeake Drive Redwood City CA 94063 . We at NeXT have tried to make the information contained in this publication as accurate and reliable as possible. Nevertheless NeXT disclaims any warranty of any kind whether express or implied as to any matter whatsoever relating to this publication including without limitation the merchantability or fitness for any particular purpose. NeXT will from time to time revise the software described in this publication and reserves the right to make such changes without the obligation to notify the purchaser. In no event shall NeXT be liable for any indirect special incidental or consequential damages arising out of purchase or use of this publication or the information contained herein. Restricted Rights Legend Use duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS or if applicable similar clauses at FAR or NASA FAR Supp. . Copyright 1993-1995 NeXT Software Inc. All Rights Reserved. NeXT the NeXT logo NEXTSTEP NetInfo and Objective-C are registered trademarks of NeXT Software Inc. The NEXTSTEP logo Application Kit Enterprise Object Enterprise Objects Framework Interface Builder OPENSTEP the OPENSTEP logo PDO Portable Distributed Objects WebObjects and Workspace Manager are trademarks of NeXT Software Inc. Use in commerce other than as fair use is prohibited by law except by express license from NeXT Software Inc. PostScript is a registered trademark of Adobe Systems Incorporated. Unix is a registered trademark of UNIX Systems Laboratories Inc. All other trademarks mentioned belong to their respective owners. . and foreign patents are pending on NeXT products. NetInfo . Patent No. 5 410 691 NEXTSTEP . Patent Nos. 5 184 124 5 355 483 5 388 201 5 .