Decision Making

Decision making
1 if statement
2 if else statement
3 nested if statement
4 switch statement
5 nested switch statement

Types of Loop

loop

Loop

Misc operator

Assignment Operator

 

Bitwise Operator

BitWise Operator

 

Logical Operator

Logical Operator

Relational Operators

Operators

ARITHMETIC OPERATOR

Arithmetic Operator

 

Operator in Objective C

Operator 

Variable Defination

Objective-C Tokens

Objective-C tokens

[1] Semicolon :
  (;)  it is used for terminate statement.

[2]Comments

 /* Comment */

[3] Identifiers

 :Variables as like c language
 

[4]Keywords

auto
break
case
char
const
continue
default
do
double
NSObject
property
weak

switch

typedef

union

unsigned

void

volatile

while

_Packed

implementation

CGFloat

strong

readonly long register return short signed sizeof static struct interface NSNumber retain readwrite else enum extern float for goto if int protocol NSInteger nonatomic; unsafe_unretained;

[5] whitespace in objective c

Blank line is a  line containing only whitespace, possibly with a comment, and which is ignores .

Data Types

Data Types 

First Example

First Program

 

File Extension

Objective-C source code  files have .m filename extensions, while Objective-C 'header/interface' files have .h extensions. Objective-C++ files have .mm  extension.

Introduction to Objective-C

 Introduction

Objective-C is is developed on the top of C language with the adding small talk programming language make it an object oriented language . it is used in development of iOS application.

Objective-C was developed bt  NeXT for its NeXTSTEP OS from whome it was taken by Apple.