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Comparing String objects using Relational Operators in C++
Here we will see how to compare two strings in C++. The C++ has string class. It also has the compare() function in the standard library to compare strings. But here we will use the conditional operators like ==, !=, <, >, <=, >=. These operators check the strings character by characters. Let us see the code to get better idea.
Example
#include<iostream>
using namespace std;
void compareStrings(string s1, string s2) {
if (s1 != s2)
cout << s1 << " is not equal to "<< s2 << endl;
else if(s1 == s2)
cout << "Strings are equal";
if (s1 > s2)
cout << s1 << " is greater than "<< s2 << endl;
else if(s1 < s2)
cout << s2 << " is greater than "<< s1 << endl;
}
int main() {
string s1("hello");
string s2("helLo");
compareStrings(s1, s2);
}Output
hello is not equal to helLo hello is greater than helLo
Updated on: 17-Dec-2019
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