Basic Arrays

C4WorkSpace.m

//
//  C4WorkSpace.m
//  arrays
//
//  Created by moi on 12-10-01.
//  Copyright (c) 2012 moi. All rights reserved.
//

#import "C4WorkSpace.h"

@implementation C4WorkSpace {
}

-(void)setup {
    [self cArray];
    [self nsArray];
    [self nsMutableArray];
    [self cArrayWithPoints];
    [self cString];
}

-(void)cArray {
    C4Log(@"cArray");
    int nums[10] = {9,8,7,6,5,4,3,2,1,0};
    for(int i = 0; i < 10; i ++) {
        C4Log(@"%d",nums[i]);
    }
    C4Log(@"\n");
}

-(void)nsArray {
    C4Log(@"nsArray");
    NSArray *nums = [[NSArray alloc] initWithObjects:
                     [NSNumber numberWithInt:9],
                     [NSNumber numberWithInt:8],
                     [NSNumber numberWithInt:7],
                     [NSNumber numberWithInt:6],
                     [NSNumber numberWithInt:5],
                     [NSNumber numberWithInt:4],
                     [NSNumber numberWithInt:3],
                     [NSNumber numberWithInt:2],
                     [NSNumber numberWithInt:1],
                     [NSNumber numberWithInt:0],
                     nil];
    for(NSNumber *n in nums) {
        C4Log(@"%d",[n intValue]);
    }
}

-(void)nsMutableArray {
    C4Log(@"nsMutableArray");
    NSMutableArray *nums = [[NSMutableArray alloc] initWithCapacity:0];
    for(int i = 0; i < 10; i++) {
        NSNumber *n = [NSNumber numberWithInt:9-i];
        [nums addObject:n];
    }
    for(int i = 0; i < 10; i++) {
        NSNumber *n = [nums objectAtIndex:i];
        C4Log(@"%d",[n intValue]);
    }
    C4Log(@"\n");
}

-(void)cArrayWithPoints {
    C4Log(@"cArray with points");
    CGPoint points[3] = {CGPointZero,
        CGPointMake(100, 100),
        CGPointMake([C4Math randomInt:500], [C4Math randomInt:500])};
    for(int i = 0; i < 3; i ++) {
        C4Log(@"{%4.2f,%4.2f}",points[i].x,points[i].y);
    }
    C4Log(@"\n");
}

-(void)cString {
    C4Log(@"cString");
    NSString *s = @"this is a string";
    const char *cString = [s UTF8String];
    for(int i = 0; i < s.length; i++){
        C4Log(@"%c",cString[i]);
    }
    C4Log(@"\n");
}
					
@end