// // main.m // NSMutableArray // // Created by Rayln Guan on 9/5/13. // Copyright (c) 2013 Rayln Guan. All rights reserved. // #import <Foundation/Foundation.h> int main(int argc, const char * argv[]) { @autoreleasepool { //申请一个空的array NSMutableArray *arrTemp = [NSMutableArray array]; NSMutableArray *arr = [NSMutableArray arrayWithObjects:@"a",@"b",@"c",@"d",@"e", nil]; [arr addObject:@"e"]; //输出[a, b, c, d, e, e] [arr removeObjectAtIndex:2]; //输出[a, b,d, e, e]; //会把所有e都移除掉!! [arr removeObject:@"e"]; //输出[a, b, d] [arr removeLastObject]; //输出[a, b] [arr insertObject:@"n" atIndex:1]; //输出[a, n, b] [arr replaceObjectAtIndex:2 withObject:@"c"];//输出[a, n, c] [arr sortUsingSelector:@selector(compare:)]; //输出[a, c, n] NSLog(@"%@", arr); } return 0; }
NSMutableArray的使用方法
NSMutableArray是属于NSArray的子类,又所有的NSArray方法,是一个可变数组
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转载自rayln.iteye.com/blog/1937916
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