文档介绍：面试题笔记注意事项:内存管理、多线程、核心动画、表重用,推送,数据持久化。前程无忧、智联招聘。***@interfaceTimingCurveViewController:UIViewController{IBOutletUIImageView*basketBall;}-(void)touchesEnded:(NSSet*)toucheswithEvent:(UIEvent*)event{[UIViewbeginAnimations:@"movement"context:nil];[UIViewsetAnimationCurve:UIViewAnimationCurveEaseIn];//<labelid=""/>[UIViewsetAnimationDuration:];[UIViewsetAnimationRepeatCount:3];[UIViewsetAnimationRepeatAutoreverses:YES];CGPointcenter=;if(>){-=;=center;}else{+=;=center;}[mitAnimations];},将字符串@“#ff3344”换成相应的UIColor对象-(UIColor*)getColor:(NSString*)hexColor{unsignedintred,green,blue;NSRangerange;=2;=0;[[NSScannerscannerWithString:[hexColorsubstringWithRange:range]]scanHexInt:&red];=2;[[NSScannerscannerWithString:[hexColorsubstringWithRange:range]]scanHexInt:&green];=4;[[NSScannerscannerWithString:[hexColorsubstringWithRange:range]]scanHexInt:&blue];return[UIColorcolorWithRed:(float)(red/)green:(float)(green/)blue:(float)(blue/)alpha:];}[:[selfgetColor:@"FF0000"]];@“abcdefghijklmn”中的efg截取出来替换攒成gfeNSString*str=@"abcdefghij";[strreplace:@"efg",@“gfe”];,输入字符串,格式如下2010-02-19//获取当前时间NSDate*nowDate=[NSDatedate];//格式化日期,其实就是利用一个日期格式化对象把日期转换成字符串了//先定义一个NSDateFormatter对象,然后给这个格式对象定义成自己想要的格式,然后用它去转化其他日期即可NSDateFormatter*format1=[[NSDateFormatteralloc]init];[format1setDateFormat:@"yyyy/MM/ddHH:mm:ss"];NSString*str1=[format1stringFromDate:nowDate];NSLog(@“%@",str1);、对象、实例方法和实例成员类:一类事物的抽象,有成员和方法。对象:类的实例化和具体化实例方法:主要和类方法区别,类方法声明时前面用加号,实例方法声明时用减号实例成员:主要和类成员区分,类成员加static,实例成员不需要。6.、类名、方法名、成员名、函数名、宏定义首字母哪些大写,哪些小写大写:类名,宏定义小写:方法名,成员名,函数名7.***@public,***@protected,***@private区别***@public:完全公开,在程序的任何地方都可以调用***@private:和***@public相反,只能在该类内部调用***@protected:(举例说明)声明:-(void)methodForParameter1:(NSString*)p1Parameter