C++ String clear() function

C++ String clear() function tutorial for beginners and professionals with examples on constructor, if-else, switch, break, continue, comments, arrays, object and class, exception, static, structs, inheritance, aggregation etc.

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C++ String clear()

This function removes the elements, becomes an empty string.

Syntax

Consider a string str. Syntax would be:

str.clear();

Parameter

This function does not contain any parameter.

Return value

This function does not return any value.

Example

Let's see a simple example of clear() function:

#include<iostream>
using namespace std;
int main()
{
stringstr;
cout<<?Enter some lines about javaTpoint and write dot character to finish the sentence?<<?\n?;
cout<<?If you want to clear the text, press d?<<?\n?;
do{
charch =cin.get();
str+=ch;
if(ch==?d?)
str.clear();
}while(ch!=?.?);
return 0;
}

Output:

Enter some lines about javaTpoint and write dot character to finish the sentence
If you want to clear the text, press d

This example shows how clear() function works.

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