vietbuiminh

#include <stdio.h>
int main() {
  int number[10];
  
  /*populate the array*/
  number[0] = 10;
  number[1] = 20;
  number[2] = 30;
  number[3] = 40;
  number[4] = 50;

vietbuiminh

//Try-Objective-C-by-Viet.
//|......................|
//"This is the hello world Objective C"

@interface Hello : NSObject
//the void to say
- (void) say;
@end

//The implementation to work the hello world object

vietbuiminh

#import "XYZPerson.h"

@implementation XYZPerson
- (void)sayHello {
    NSLog(@"Hello, world!");
}
@end

vietbuiminh

#import "XYZPerson.h"

@implementation nsstringifelse
NSString *sourceString = @"Four score and seven years ago";
NSRange range = [sourceString rangeOfString:@"seven"];
//NOTE NSRange IS NOT AN OBJECTIVE_C CLASS

if (range.location == NSNotFound) {
    // Well the string was not found
} else {

vietbuiminh

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