1.新建类的方式
2.Teacher.m的代码
//
// Teacher.m
// hello
//
// Created by 老米 on 2021/11/10.
//
#import "Teacher.h"
@implementation Teacher
-(void)say
{
NSLog(@"Hello, Teacher!");
}
@end
3.Teacher.h的代码
//
// Teacher.h
// hello
//
// Created by 老米 on 2021/11/10.
//
#import <Foundation/Foundation.h>
@interface Teacher : NSObject
{
//类的属性声明
NSString *name;
int age;
}
//类方法声明
-(void)say;
@end
4.引入类以及调用类方法
//
// main.m
// hello
//
// Created by 老米 on 2021/11/10.
//
#import <Foundation/Foundation.h>
#import "Teacher.h"
int main(int argc, const char * argv[]) {
@autoreleasepool {
Teacher *teacher=[[Teacher alloc]init];
[teacher say];
}
return 0;
}