×

×

Correct!

Exercise:

Use the correct function to print the length of the txt string.

string txt = "Hello"; cout << txt.length();

Not Correct

Click here to try again.

Correct!

Next ❯

string txt = "Hello";
cout <<  w3exercise_input_no_0
.w3exercise_input_no_1
;

Completed 0 of 58 Exercises:

C++ Syntax

Exercise 1 Exercise 2 Exercise 3 Go to C++ Syntax Tutorial

C++ Variables

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to C++ Variables Tutorial

C++ User Input

Exercise 1 Exercise 2 Go to C++ User Input Tutorial

C++ Data Types

Exercise 1 Exercise 2 Exercise 3 Go to C++ Data Types Tutorial

C++ Operators

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to C++ Operators Tutorial

C++ Strings

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Go to C++ Strings Tutorial

C++ Math

Exercise 1 Exercise 2 Exercise 3 Go to C++ Math Tutorial

C++ Booleans

Exercise 1 Exercise 2 Go to C++ Booleans Tutorial

C++ If...Else

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to C++ If...Else Tutorial

C++ Switch

Exercise 1 Exercise 2 Go to C++ Switch Tutorial

C++ Loops

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Go to C++ Loops Tutorial

C++ Arrays

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to C++ Arrays Tutorial

C++ References

Exercise 1 Exercise 2 Exercise 3 Go to C++ References Tutorial

C++ Functions

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Go to C++ Functions Tutorial

C++ Classes/Objects

Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6 Exercise 7 Exercise 8 Go to C++ Classes/Objects Tutorial