Following example prints the value of NSString object on the console using the NSLog function which can be used to debug the iPhone application.

//
//  printString.h
//  DataTypes
//
// 

#import <Foundation/Foundation.h>  

@interface printString : NSObject

{

    NSString *string;   

}

-(void) print; 

@end

The implementation class code is as follows:

//
//  printString.m
//  DataTypes
//

#import "printString.h"

@implementation printString

-(void) print

{

    string= @"Welcome in Programming";

    NSLog(@"process Name: %@ Process ID: %d",string);

}

@end

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