08일차 OC 언어(07): NSMutable Array

             
    1.  
    - (void)addObject:(ObjectType)anObject;
    - (void)addObjectsFromArray:(NSArray *)otherArray;
    2.  
    - (void)insertObject:(ObjectType)anObject atIndex:(NSUInteger)index;
    - (void)insertObjects:(NSArray *)objects atIndexes:(NSIndexSet *)indexes;
    3.  
    - (void)removeObjectAtIndex:(NSUInteger)index;
    - (void)removeLastObject;
    - (void)removeObject:(ObjectType)anObject;
    4.  
    - (void)replaceObjectAtIndex:(NSUInteger)index withObject:(ObjectType)anObject;
    5.  
    - (ObjectType)objectAtIndex:(NSUInteger)index;

#pragma mark 07-NSMutableArray

#pragma mark -   
#import 
#pragma mark  

#pragma mark - main  
int main(int argc, const char * argv[])
{
    //         
    NSMutableArray *arrM = [NSMutableArray array];
    NSLog(@" %@",arrM);
#pragma 1.  
    [arrM addObject:@"lyh"];
    //               ,  arrM 
    //                    arrM 
    [arrM addObjectsFromArray:@[@"lyh",@"hxm"]];
    //   :                  
//    [arrM addObject:@[@"lyh",@"hxm"]];
    
    NSLog(@"1.  %@",arrM);
    
#pragma 2.  
    [arrM insertObject:@"l" atIndex:1];
    NSRange range = NSMakeRange(2, 3);
    NSIndexSet *set = [NSIndexSet indexSetWithIndexesInRange:range];
    //       ,            ,      
    [arrM insertObjects:@[@"o",@"v",@"e"] atIndexes:set];
    NSLog(@"2.  %@",arrM);

#pragma 3.  
    [arrM removeObjectAtIndex:0];
    NSLog(@"3.  %@",arrM);
    [arrM removeLastObject];
    NSLog(@"3.  %@",arrM);
    [arrM removeObject:@"lyh"];
    NSLog(@"3.  %@",arrM);

#pragma 4.  
    [arrM replaceObjectAtIndex:1 withObject:@"l"];
    NSLog(@"4.  %@",arrM);
    arrM[2] = @"o";
    NSLog(@"4.  %@",arrM);
    
#pragma 5.  
    NSLog(@"%@",[arrM objectAtIndex:3]);
    NSLog(@"%@",arrM[2]);
    
    
#pragma mark
    //   :   @[]         ,  @[]                
    //                       ,             
    //     
//    NSMutableArray *arrM2 = @[@"lyh",@"hxm"];
//    [arrM2 addObject:@"lll"];
    
    return 0;
}