Knowledge (XXG)

Class implementation file

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so as to make creating objects as simple as possible, ensuring that client code does not distract the user with unnecessary details of the class's implementation. This allows the user the information needed to use the class effectively, but prevents him or her from damaging the compiled code.
110:. This file can start with a header block, which provides comments that describe the purpose of the defined class and any details about the creation of the actual file, such as the author of the file and date the file was created. It can also include any libraries from the 55:
file containing the declaration of the class and its members is also created. If the class definition has been included and the implementation file for its methods is available, the user can
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of the class. The purpose of this structure is to keep the implementation code hidden, but allow the user to view the design.
130:. The header file of this C++ file would be named "example_class.h" and the implementation file would be "example_class.cc". 80: 36: 40: 56: 28: 67: 60: 298:
when making use of these implementation files is the extensions used at the end of the files. In C++ it will be
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In this example, the implementation for the functions has been omitted, but the functions must be declared in
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programming. This example will use "ExampleClass". A notable difference between C++ and
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Another example of how a class implementation file would be structured can be seen with
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will usually have a line to include the associated header file (see examples below).
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Neuberg, Matt (26 May 2011). "Chapter 4.3 Header File and Implementation File".
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Neuberg, Matt (26 May 2011). "Chapter 4.3 Header File and Implementation File".
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Neuberg, Matt (26 May 2011). "Chapter 4.3 Header File and Implementation File".
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Neuberg, Matt (26 May 2011). "Chapter 4.3 Header File and Implementation File".
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Neuberg, Matt (26 May 2011). "Chapter 4.3 Header File and Implementation File".
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that will be used by any of the declared methods in the file. The
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The implementation file will contain the actual definition or
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is often used to contain the implementation code for the
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to split the interface from the implementation. The
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O'Reilly Media, Inc. 818:. O'Reilly Media, Inc. 769:. O'Reilly Media, Inc. 720:. O'Reilly Media, Inc. 627:Alan Griffiths (2005). 589:. The Chromium Projects 564:Alan Griffiths (2005). 543:. O'Reilly Media, Inc. 513:Alan Griffiths (2005). 491:Alan Griffiths (2005). 321:This is an example of 282:Example in Objective-C 137:would look like this: 91:would declare all the 587:"C++ Dos and Don'ts" 467:C++ Standard Library 314:extension for their 112:C++ Standard Library 290:, which is used in 874:978-1-4493-8843-0 863:Programming iOS 4 825:978-1-4493-8843-0 814:Programming iOS 4 776:978-1-4493-8843-0 765:Programming iOS 4 727:978-1-4493-8843-0 716:Programming iOS 4 550:978-1-4493-8843-0 539:Programming iOS 4 16:(Redirected from 924: 879: 878: 866: 856: 850: 849: 847: 846: 836: 830: 829: 817: 807: 801: 800: 798: 797: 787: 781: 780: 768: 758: 752: 751: 749: 748: 738: 732: 731: 719: 709: 703: 702: 700: 699: 689: 683: 682: 680: 679: 668: 662: 661: 659: 658: 646: 640: 639: 637: 636: 624: 618: 617: 615: 614: 604: 598: 597: 595: 594: 583: 577: 576: 574: 573: 561: 555: 554: 542: 532: 526: 525: 523: 522: 510: 504: 503: 501: 500: 488: 441: 438: 435: 432: 429: 426: 423: 420: 417: 414: 411: 408: 405: 402: 399: 378: 375: 372: 369: 366: 363: 360: 357: 354: 351: 348: 345: 341: 338: 335: 277: 274: 271: 268: 265: 262: 259: 256: 253: 250: 247: 244: 241: 238: 235: 232: 229: 226: 223: 220: 217: 214: 211: 208: 194: 191: 188: 185: 182: 179: 176: 173: 170: 167: 164: 161: 158: 155: 152: 149: 146: 143: 135:example_class.cc 129: 93:member functions 85:class definition 83:when creating a 53:class definition 21: 932: 931: 927: 926: 925: 923: 922: 921: 897: 896: 888: 883: 882: 875: 858: 857: 853: 844: 842: 838: 837: 833: 826: 809: 808: 804: 795: 793: 789: 788: 784: 777: 760: 759: 755: 746: 744: 740: 739: 735: 728: 711: 710: 706: 697: 695: 691: 690: 686: 677: 675: 670: 669: 665: 656: 654: 648: 647: 643: 634: 632: 626: 625: 621: 612: 610: 606: 605: 601: 592: 590: 585: 584: 580: 571: 569: 563: 562: 558: 551: 534: 533: 529: 520: 518: 512: 511: 507: 498: 496: 490: 489: 485: 480: 448: 443: 442: 439: 436: 433: 430: 427: 424: 421: 418: 415: 412: 409: 406: 403: 401:@implementation 400: 397: 380: 379: 376: 373: 370: 367: 364: 361: 358: 355: 352: 349: 346: 343: 339: 336: 333: 284: 279: 278: 275: 272: 269: 266: 263: 260: 257: 254: 251: 248: 245: 242: 239: 236: 234:// Constructor. 233: 230: 227: 224: 221: 218: 215: 212: 209: 206: 200:example_class.h 196: 195: 192: 189: 186: 183: 180: 177: 174: 171: 168: 165: 162: 159: 156: 153: 150: 147: 144: 141: 127: 124: 81:C++ programming 77: 49: 23: 22: 15: 12: 11: 5: 930: 928: 920: 919: 914: 909: 899: 898: 895: 894: 887: 886:External links 884: 881: 880: 873: 851: 831: 824: 802: 782: 775: 753: 733: 726: 704: 684: 663: 653:. Code Project 641: 619: 599: 578: 556: 549: 527: 505: 482: 481: 479: 476: 475: 474: 469: 464: 459: 454: 447: 444: 431:@"…" 396: 387:Exampleclass.m 332: 323:ExampleClass.h 316:header file(s) 283: 280: 210:<string> 205: 140: 123: 122:Example in C++ 120: 95:(methods) and 76: 73: 48: 45: 24: 14: 13: 10: 9: 6: 4: 3: 2: 929: 918: 915: 913: 910: 908: 905: 904: 902: 893: 890: 889: 885: 876: 870: 865: 864: 855: 852: 841: 835: 832: 827: 821: 816: 815: 806: 803: 792: 786: 783: 778: 772: 767: 766: 757: 754: 743: 737: 734: 729: 723: 718: 717: 708: 705: 694: 688: 685: 673: 667: 664: 652: 645: 642: 630: 623: 620: 609: 603: 600: 588: 582: 579: 567: 560: 557: 552: 546: 541: 540: 531: 528: 516: 509: 506: 494: 487: 484: 477: 473: 470: 468: 465: 463: 460: 458: 455: 453: 450: 449: 445: 394: 392: 388: 385: 330: 328: 324: 319: 317: 313: 309: 305: 301: 297: 293: 289: 281: 203: 201: 138: 136: 131: 121: 119: 117: 113: 109: 105: 100: 98: 94: 90: 86: 82: 74: 72: 69: 64: 62: 58: 54: 46: 44: 42: 38: 34: 30: 19: 862: 854: 843:. 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ITechTalk 472:Objective-C 462:Source code 457:Header file 452:C++ classes 391:Objective-C 327:Objective-C 306:it will be 304:Objective-C 296:Objective-C 288:Objective-C 202:like this: 108:header file 104:source code 89:header file 57:instantiate 18:Method body 901:Categories 845:2013-05-07 796:2013-05-07 747:2013-05-07 698:2013-05-07 678:2013-05-07 657:2013-05-07 635:2013-05-07 613:2013-05-07 593:2013-05-07 572:2013-05-07 521:2013-05-07 499:2013-05-07 478:References 337:@interface 47:Motivation 37:method(s) 446:See also 413:NSString 362:NSString 344:NSObject 342: : 207:#include 142:#include 302:and in 255:private 163:default 871:  822:  773:  724:  631:. ACCU 568:. ACCU 547:  517:. ACCU 495:. ACCU 428:return 267:string 222:public 68:object 61:object 270:name_ 213:class 41:class 39:of a 869:ISBN 820:ISBN 771:ISBN 722:ISBN 545:ISBN 440:@end 422:name 377:@end 371:name 300:.cpp 237:void 169:void 31:, a 917:C++ 389:in 325:in 292:iOS 261:std 246:int 231:(); 190:... 178:int 59:an 27:In 903:: 393:: 329:: 312:.h 308:.m 276:}; 264::: 252:); 157:() 151::: 877:. 848:. 828:. 799:. 779:. 750:. 730:. 701:. 681:. 660:. 638:. 616:. 596:. 575:. 553:. 524:. 502:. 437:} 434:; 425:{ 419:) 416:* 410:( 407:- 374:; 368:) 365:* 359:( 356:- 353:} 347:{ 273:; 258:: 249:k 243:( 225:: 219:{ 193:} 187:{ 184:) 181:k 175:( 166:; 160:= 20:)

Index

Method body
object-oriented programming
method(s)
class
class definition
instantiate
object
object
C++ programming
class definition
header file
member functions
data methods
source code
header file
C++ Standard Library
Objective-C
iOS
Objective-C
Objective-C
header file(s)
Objective-C
Objective-C
C++ classes
Header file
Source code
C++ Standard Library
Objective-C
"Separating Interface and Implementation in C++"
"Separating Interface and Implementation in C++"

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