create Array - iOS App codez

viewcontroller.h

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@property NSMutableArray *array1,*array2,*array3;

@end

viewcontroller.m

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

//methods

self.array1=[[NSMutableArray alloc]initWithObjects:@"naresh",@"naidu",@"kolindala", nil];

NSLog(@"%@",self.array1);

NSLog(@"%lu",self.array1.count);

NSLog(@"%@",[self.array1 objectAtIndex:1]);

NSLog(@"%@",[self.array1 arrayByAddingObject:@"nk"]);

NSLog(@"%@",[self.array1 arrayByAddingObjectsFromArray:self.array2]);

self.array2=[[NSMutableArray alloc]initWithObjects:@"jack", nil];

// NSMutableArray *mmm = [NSMutableArray arrayWithCapacity: 20];

// NSMutableArray *kkk = [NSMutableArray arrayWithObjects: @"a", @"b", @"cat", @"dog", nil];

// [mmm addObjectsFromArray:kkk];

// NSLog(@"Working: %@",[mmm objectAtIndex:3]);

[self.array1 addObjectsFromArray:self.array2];

NSLog(@"Working: %@",[self.array1 objectAtIndex:3]);

NSLog(@"%@",[self.array1 componentsJoinedByString:@" / "]);

// NSArray *collection = [[NSArray alloc] initWithObjects:A, B, C, nil]; //A, B, C are custom "Item" objects

// Item *tempItem = [[Item alloc] initWithLength:1 width:2 height:3]; //3 instance variables in "Item" objects

// if([collection containsObject:tempItem]) {

// NSLog(@"collection contains this item");

// }

if ([self.array1 containsObject:self.array2]) {

NSLog(@"all objects");

}else{

NSLog(@"no objects");

}

NSString *jobName = [NSString stringWithFormat:@"john"];

[self.array2 addObject:jobName];

NSLog(@"%@",self.array2);

[self.array2 insertObject:self.array1 atIndex:0];

NSLog(@"%@",self.array2);

[self.array1 removeLastObject];

NSLog(@"%@",self.array1);

[self.array2 removeObjectAtIndex:1];

NSLog(@"%@",self.array2);

[self.array2 replaceObjectAtIndex:0 withObject:@"cena"];

NSLog(@"%@",self.array2);

self.array3=[[NSMutableArray alloc]initWithObjects:@"naresh",@"naidu",@"kolindala", nil];

NSArray *theData = [NSArray arrayWithObjects:@"One",@"Two",@"Three",nil];

NSMutableArray *mut = [NSMutableArray arrayWithObjects:@"Four",@"Five",@"Six",nil];

[mut addObjectsFromArray:theData];

NSLog(@"%@",mut);

NSLog(@"%@",[mut class]);

[mut addObject:@"seven"];

NSLog(@"%@",mut);

//initwithcapacity

// int index=0;

// NSMutableArray * array = [[NSMutableArray alloc] initWithCapacity:4]; //in viewDidLoad

// if (index == 0){

// [array insertObject:@"nani" atIndex:0];

// }

// if (index == 1){

// [array insertObject:@"naresh" atIndex:1];

// }

// if (index == 2){

// [array insertObject:@"naidu" atIndex:2];

// }

// if (index == 3){

// [array insertObject:@"kolindala" atIndex:3];

// }

// NSLog(@"array = %i",index);

// Do any additional setup after loading the view, typically from a nib.

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

@end