GitHub - miniLV/Interview-series: iOS从入门到进阶 - 技术合集

4 years ago

source link: https://github.com/miniLV/Interview-series
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README.md

iOS初级到中级的进阶之路~

一个NSObject 对象，占用多少内存
对象方法与类方法的存放在哪
什么是isa指针
什么是meta-class
megsend 是如何找到方法的

@implementation MNSubclass

- (void)compareSelfWithSuperclass{
    NSLog(@"self class = %@",[self class]);
    NSLog(@"super class = %@",[super class]);
}
@end