一 概述
NSMutableArray与NSArray的区别：
- NSMutableArray：可变数组
- NSArray：不可变数组
二 示例
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| #import <Foundation/Foundation.h>
#import "Person.h"
int main(int argc, const char * argv[]) {
@autoreleasepool {
// insert code here...
//数组创建
NSMutableArray *array=[NSMutableArray array];//空数组
NSMutableArray *array2=[NSMutableArray arrayWithObjects:@"rose",@"jack",@"marry",nil];
[array addObject:[[Person alloc]init]];
[array addObject:@"jack"];
//数组的操作
array.count;
[array2 removeObject:@"rose"];
//[array2 removeAllObjects];
[array2 removeObjectAtIndex:1];
NSLog(@"%ld",array.count);
NSLog(@"数组%@",array2);
}
return 0;
}
|