Answers for "if str is empty"

C++
3

c++ check if string is empty

#include <iostream>

int main()
{
  	std::string str;
  
  	if(str.empty()) std::cout << "Empty";
  
	return 0; 
}
Posted by: Guest on February-13-2021
1

check if string is empty

let str1 = "Hello world!";
let str2 = "";
let str3 = 4;
console.log(str1.length === 0)
console.log(str2.length === 0)
console.log(str3.length === 0)

false
true
false
Posted by: Guest on December-15-2021

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