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Define Keywords in C++
Keywords:
Keywords are the words already used by C++ in its compiler. They are also known as reserved words, because these words are completely defined for C++ interpretation. Therefore keywords cannot be used to declare any identifiers in the program. Some of the example of keywords are, if, else, for, operator, while, cout, void, class, cin, inline, friend, etc. Therefore a program will not compile with keyword as identifier.
int if; This is an wrong statement because a variable name or identifier cannot have keyword if as the variable.
Destructors A destructor function gets implemented whenever an instance of the class to which it belongs goes out of existence. The primary usage of a destructor function is
What is T y pe C a s t Op er a t o r : T h e f l o a t c a n b e c o n v e r t e d t o i n t e g e r v a l u
There is a pebble merchant. He sells the pebbles, that are used for shining the floor. His main duty is to take the length of the room’s sides. But he sometimes mistakes doing that
compose a C program to solve the equation z2=(p1/Pg)+(v1^2/2g)+z1 p1=100kpa,v1=2m/s z1=3m P=1000kg/m^3 define g=9.81
write a program which has three classes
Input Output Most languages have "statements" to perform I/O . Though in C and C++ we use "functions" to perform I/O. C++ also has its own I/O mechanism - the cin and cout obje
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full program
#include stdio.h struct complex { float real; float imag; }; struct complex complexadd(struct complex,struct complex); void main() { Date: 26
What is default constructor? explain it.
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