C + + Pay attention to easy error points

1.cout using Endl,cin without Endl

1 cin>>a>>2 cout<<a<<b<<endl;

2. Do not add a semicolon after the definition of the function, it is finished.

1 int A (int  b)2{3   // processing statement 4   return(); 5 }

The input of the string in 3.c++ is used char[] and strcpy (A, "...") and the header file stdio.h;

1 Char a[]; 2 strcpy (A,"    " )

4.c++ output white space with << "" to output, unlike the C language

1 cout<<"a="<<"    <<Endl; 2 printf ("a=%d", a);

5. Variable names cannot be the same as function names
6. Integer and floating-point type cannot be mixed together to calculate, error
7. Do not forget to add return 0 at the end of the main function;

8. There is no semicolon after the definition name of the class, there is a semicolon after the definition, there is no semicolon after the function definition name, and no semicolon is defined.

1 class class name 2 {3     Public : 4    // Public Part 5    Private : 6   // Private Part 7 };

C + + Pay attention to easy error points