.m
#import "point.h"
@implementation point
-(id) init
{
if(self = [super init]){
xpoint=9;
ypoint=10;
}
return self;
}
-(id) initX:(int)x andY:(int)y
{
if(self=[super init])
{
xpoint=x;
ypoint=y;
}
return self;
}
-(int)xpoint
{
return xpoint;
}
-(int)ypoint
{
return ypoint;
}
-(void)setXpoint:(int)xVal
{
xpoint=xVal;
}
-(void)setYpoint:(int)yVal
{
ypoint=yVal;
}
-(void)setXpoint:(int)xVal andYpoint:(int)yVal
{
xpoint=xVal;
ypoint=yVal;
}
-(void) dealloc
{
NSLog(@"now over");
[super dealloc];
}
-(NSString *)description
{
NSString *str=[NSString stringWithFormat:@"777xpoint=%d ypoint=%d",xpoint,ypoint];
return str;
}
@end

int main (int argc, const char * argv[])
{
@autoreleasepool {
point *a=[point alloc];//生成
point *p=[point alloc];
a=[a init]; //初始化
p=[p init];
point *m=[[point alloc] initX:20 andY:30];//分配初始化写一起
//point *n=[point new];
[a setXpoint:1];
[a setYpoint:2];
// [p setXpoint:9 andYpoint:10];
int x=[p xpoint];
int y=[p ypoint];
int x1=[a xpoint];
int y1=[a ypoint];
int m1=[m xpoint];
int m2=[m ypoint];
NSLog(@"x=%d y=%d" ,x,y);
NSLog(@"x1=%d y1=%d" ,x1,y1);
//NSLog(@"a=%d",[a retainCount]);
NSLog(@"m1=%d m2=%d" ,m1,m2);
NSLog(@"%@" ,m);
[a dealloc];
//NSLog(@"a=%d",[a retainCount]);
//[a release];
[p release];
[m release];
//NSLog(@"p=%d",[p retainCount]);
}
return 0;
}

** 好像很厉害的样子

你写的啊 这是传说中的c啊

毛线- - 这就是个hello world！