C vs. C++

C vs C++

C++ C

int x;
float y;
char ch;
cout << "Hello.";
cout << x;
cout << "y = " << y << endl;
cout << ch << " = " << x << endl;
int x;
float y;
char ch;
printf("Hello.");
printf("%d",x);
printf("y = %f\n", y);
printf("%c = %d\n", ch, x);

cin >> x;
cin >> y; scanf("%d", &x);
scanf("%f", &y);

#include<iostream.h> #include<stdio.h>

const float PI = 3.14; #define PI 3.14

declare variables anywhere variable declarations have to be at the beginning of a function NOT in the middle/end/etc.

g++ -o doom doom.C gcc -o doom doom.c

C++	C
int x; float y; char ch; cout << "Hello."; cout << x; cout << "y = " << y << endl; cout << ch << " = " << x << endl;	int x; float y; char ch; printf("Hello."); printf("%d",x); printf("y = %f\n", y); printf("%c = %d\n", ch, x);
cin >> x; cin >> y;	scanf("%d", &x); scanf("%f", &y);
#include<iostream.h>	#include<stdio.h>
const float PI = 3.14;	#define PI 3.14
declare variables anywhere	variable declarations have to be at the beginning of a function NOT in the middle/end/etc.
g++ -o doom doom.C	gcc -o doom doom.c