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OC4_可变数组

时间:2015-06-11 19:04:24      阅读:131      评论:0      收藏:0      [点我收藏+]

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//
//  main.m
//  OC4_可变数组
//
//  Created by zhangxueming on 15/6/11.
//  Copyright (c) 2015年 zhangxueming. All rights reserved.
//

#import <Foundation/Foundation.h>
//NSMutableArray

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        //创建一个指定容量大小的可变数组对象
        NSMutableArray *mulArray = [[NSMutableArray alloc] initWithCapacity:20];
        NSMutableArray *mulArray2 = [NSMutableArray arrayWithCapacity:20];
        NSLog(@"mulArray = %@ mulArray2 = %@", mulArray, mulArray2);
        //添加数组元素
        [mulArray addObject:@"one"];
        NSLog(@"mulArray = %@", mulArray);
        //在指定位置添加数组元素
        [mulArray insertObject:@"two" atIndex:0];
        NSLog(@"mulArray = %@", mulArray);
        //将传入的数组添加到可变数组中
        [mulArray addObjectsFromArray:@[@"three",@"four",@"five",@"six"]];
        NSLog(@"mulArray = %@", mulArray);
        
        //删除数组中最后一个元素
        [mulArray removeLastObject];
        NSLog(@"mulArray = %@", mulArray);
        //删除指定位置的元素
        [mulArray removeObjectAtIndex:1];
        NSLog(@"mulArray = %@", mulArray);
        //替换指定位置的数组元素
        [mulArray replaceObjectAtIndex:2 withObject:@"helloworld"];
        NSLog(@"mulArray = %@", mulArray);
        //交换指定位置的数组元素
        [mulArray exchangeObjectAtIndex:0 withObjectAtIndex:2];
        NSLog(@"mulArray = %@", mulArray);
        //删除数组中所有的元素
        [mulArray removeAllObjects];
        NSLog(@"mulArray = %@", mulArray);
        
        NSMutableArray *mulArray3 = [NSMutableArray arrayWithObjects:@"one",@"two",@"two",@"three",@"two",@"three",@"four",@"five", nil];
        //删除指定范围内的指定的元素
        [mulArray3 removeObject:@"three" inRange:NSMakeRange(2, 4)];
        NSLog(@"mulArray3 = %@", mulArray3);
        
        //删除数组中所有出现的目标元素
        [mulArray3 removeObject:@"two"];
        NSLog(@"mulArray3 = %@", mulArray3);
        
        //删除所有在传入数组中出现的元素
        [mulArray3 removeObjectsInArray:@[@"one",@"four",@"six"]];
         NSLog(@"mulArray3 = %@", mulArray3);
        
        //删除指定范围的数组元素
        NSMutableArray *mulArray4 = [NSMutableArray arrayWithArray:@[@"one",@"two",@"three",@"four"]];
        [mulArray4 removeObjectsInRange:NSMakeRange(1, 2)];
        NSLog(@"mulArray4 = %@", mulArray4);
        
        //修改(重置)数组
        [mulArray4 setArray:@[@"hello",@"world",@"qian",@"feng"]];
        NSLog(@"mulArray4 = %@", mulArray4);
        
        //数组排序
        NSMutableArray *sortArray = [NSMutableArray arrayWithArray:@[@"one",@"two",@"three",@"four",@"five"]];
        [sortArray sortUsingSelector:@selector(compare:)];
        NSLog(@"sortArray = %@", sortArray);
        
        //用传入的数组替换指定范围内的数组元素
        [mulArray4 replaceObjectsInRange:NSMakeRange(0, 2) withObjectsFromArray:@[@"one",@"two",@"three"]];
        NSLog(@"mulArray4 = %@", mulArray4);
        
        
//- (void)replaceObjectsInRange:(NSRange)range withObjectsFromArray:(NSArray *)otherArray range:(NSRange)otherRange;
//        - (void)insertObjects:(NSArray *)objects atIndexes:(NSIndexSet *)indexes;
//        - (void)removeObjectsAtIndexes:(NSIndexSet *)indexes;
//        - (void)replaceObjectsAtIndexes:(NSIndexSet *)indexes withObjects:(NSArray *)objects;
    }
    return 0;
}

 

OC4_可变数组

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原文地址:http://www.cnblogs.com/0515offer/p/4569779.html

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