NSMutableArray的用法

本文主要是介绍NSMutableArray的用法，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

/*--------------- 给数组分配容量----------------*/NSArray *array;array = [NSMutableArray arrayWithCapacity:20];/*-------------- 在数组末尾添加对象----------------*/- (void) addObject: (id) anObject;NSMutableArray *array = [NSMutableArray arrayWithObjects:@"One",@"Two",@"Three",nil];[array addObject"Four"];NSLog(@"array:%@",array);/*-------------- 删除数组中指定索引处对象----------------*/    -(void) removeObjectAtIndex: (unsigned) index;    NSMutableArray *array = [NSMutableArray arrayWithObjects:@"One",@"Two",@"Three",nil];[array removeObjectAtIndex:1];NSLog(@"array:%@",array);/*------------- 数组枚举---------------*/    - (NSEnumerator *)objectEnumerator;//从前向后NSMutableArray *array = [NSMutableArray arrayWithObjects:@"One",@"Two",@"Three",nil];NSEnumerator *enumerator;enumerator = [array objectEnumerator];id thingie;while (thingie = [enumerator nextObject]) {NSLog(@"thingie:%@",thingie);}- (NSEnumerator *)reverseObjectEnumerator;//从后向前NSMutableArray *array = [NSMutableArray arrayWithObjects:@"One",@"Two",@"Three",nil];NSEnumerator *enumerator;enumerator = [array reverseObjectEnumerator];id object;while (object = [enumerator nextObject]) {NSLog(@"object:%@",object);}//快速枚举NSMutableArray *array = [NSMutableArray arrayWithObjects:@"One",@"Two",@"Three",nil];for(NSString *string in array){NSLog(@"string:%@",string);}

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