int main(){ int i; @autoreleasepool} //创立月份的数组 NSArray *monthName = [NSArray arrayWithObjects: @"January",@"February",@"March",@"April", @"May",@"June",@"July",@"August", @"September",@"October",@"November",@"December",nil]; //列出数组中的所有元素 for(int i = 0 ; i < monthName.count;i++){ NSlog(@" %2i %@",i+1,[monthName objectAtIndex:i]); } return 0; } //输出列表 /* 1 January 2 February 3 March 4 April 5 May 6 June 7 July 8 August 9 September 10 October 11 November 12 December */