oc笔记-3

////  main.m//  mylearn//#import <Foundation/Foundation.h>#import "Mypoint.h"@implementation Mypoint{    int myx;    int myy;}-(void) print{    NSLog(@"(%i,%i)",myx,myy);}-(void)setx:(int)x{    myx=x;}-(void)sety:(int)y{    myy=y;}-(int) myx{    return myx;}-(int) myy{    return myy;}+(void)sayhello{    NSLog(@"hello");}@endint main(int argc, const char * argv[]) {    @autoreleasepool {        // insert code here...        Mypoint *mypoint;        [Mypoint sayhello];        mypoint=[Mypoint alloc];        mypoint=[mypoint init];        [mypoint setx:10];        [mypoint sety:20];        NSLog(@"point:");        NSLog(@"%i",[mypoint myx]);        [mypoint print];    }    return 0;}

2016-09-04 21:46:29.977 mylearn[502:14739] hello

2016-09-04 21:46:29.979 mylearn[502:14739] point:

2016-09-04 21:46:29.979 mylearn[502:14739] 10

2016-09-04 21:46:29.980 mylearn[502:14739] (10,20)