This C++ program will demonstrate use of String class - functions.
#include <iostream>
#include <string>
using namespace std;
int main () {
int len;
string str1="Hello", str2="World", str;
//String copy function: str1 into str
str = str1;
cout << "Content in str = "<< str <<endl;
//String concatenate: str1 and str2
str = str1 + str2;
cout << "Content in str = "<< str <<endl;
//Total lenghth of str1 after strcat()
len = str.size();
cout << "Length of str: " << len <<endl;
return 0;
}
Output of program
Content in str = Hello
Content in str = HelloWorld
Length of str: 10
#include <string>
using namespace std;
int main () {
int len;
string str1="Hello", str2="World", str;
//String copy function: str1 into str
str = str1;
cout << "Content in str = "<< str <<endl;
//String concatenate: str1 and str2
str = str1 + str2;
cout << "Content in str = "<< str <<endl;
//Total lenghth of str1 after strcat()
len = str.size();
cout << "Length of str: " << len <<endl;
return 0;
}
Output of program
Content in str = Hello
Content in str = HelloWorld
Length of str: 10
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