JAVA

JAVA INTRODUCTION

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History Of Java?

Java Programming Language was written by James Gosling along with two other person Mike Sheridan and Patrick Naughton, while they were working at Sun Microsystems on Green Project.

The Green 'team' (Later, the company became Oracle). They developed a programming language called “Oak”

Oak is a symbol of strength and chosen as a national tree of many countries like U.S.A., France, Germany etc.”

In 1995, Oak was renamed as “Java” because it was already a trademark by Oak Technologies.

Why is the symbol for Java a mug of coffee?

it's from Java coffee.

Java is an island of Indonesia where first coffee was produced (called java coffee).

Gosling designed Java with a C/C++ style syntax that system and application programmers would find familiar.

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C++ Reserved Keywords

C++ Reserved Keyword Reserved keywords are well defined.We use them in one or more classes more than one time to get desire output from whole project. C++ Keywords are reserved words which can only be use to perform special task. Compiler already know the meaning of each keyword. Each keyword has a special meaning and it can't be changed by the programmer. Example: if , for , while , int , class keywords perform different task in different ways each keyword uses it's own syntax to perform logical operations depends on our requirement. Reserve Keywords : #include < iostream > using namespace std ; int main (){ int rollnumber = 10; string name = "ITech Taleem"; cout << name << endl ; cout << rollnumber << endl ; return 0; } Console: ITechTaleem 10 Watch Video C++ in Urdu Hindi Reserved Keywords Beginners Tutorial Vi...

C++ Method or Function With Parameter Programming

Animated Gif of function or methods with parameter C++ function parameters A function is a set of different statements which is use to perform a specific task. If you want to pass any user value in function arguments then it must declare variables that accept the values of the arguments . These variables are known as parameters of the function. compiler knows that every name with () bracket is a function . In this lecture we'll discuss built-in functions and user define functions . functions provided by C++ are called built-in functions Math() ,rand()etc. functions written by programmer In C++ program to perform a specific task depends on programmer requirements like addition between 2 or more numbers are known as User Define functions . functions use to divide and organize our program in different functions which is helpful for finding errors if any appear during programming. we declare a function using return type , function name and p...

C++ Classes and Objects Programming

Animated Gif of class and object C++ class and Object A class is a blue print and combination of Different functions and variables. The difference between C and C++ is that C is a procedural programming and does not support classes and objects, while C++ provide support of Object Oriented Programming(OOP) and classes therefore C++ can be called a hybrid language. The variables and functions within a class are called members(variables,functions) of the class. Syntax of C++ Class A class definition starts with the keyword class. For example, we defined the Student data type using the keyword class as follows. class Student { public: string name; // member variables int rollNumber; } A public member can be accessed from outside the class anywhere within the scope of the class object. You can also specify the members of a class as private o...

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