#include <iostream>
#include <cstring>
using namespace std;
int main()
{
    char s1[] = "Hello";
    string s2("\"Hello\"");
    string s3("\'World\'");

    cout<<"———————————————————————————————————————————";
    cout<<"\nProgram for the string operations";
    cout<<"\n———————————————————————————————————————————";
    cout<<"\nString s1 | "<<s1;
    cout<<"\nString s2 | "<<s2;
    cout<<"\nString s3 | "<<s3;
    cout<<"\n———————————————————————————————————————————";

    cout<<"\nSize of string s2     | "<<s2.size();
    cout<<"\nLength of string s1   | "<<strlen(s1);
    cout<<"\nLength of string s3   | "<<s3.length();
    cout<<"\nCapacity of string s2 | "<<s2.capacity();
    cout<<"\nConcatination s1+s3   | "<<s1 + s3;
    cout<<"\nMax size of string s2 | "<<s2.max_size();
    cout<<"\n———————————————————————————————————————————";
    s2.swap(s3);
    cout<<"\nAfter swapping the strings...";
    cout<<"\n———————————————————————————————————————————";
    cout<<"\ns3 | "<<s3;
    cout<<"\ns2 | "<<s2;
    cout<<"\n———————————————————————————————————————————";

    cout<<"\nInsert s3 into s2     | "<<s2.insert(3, s3);
    s2.erase(3, 7);
    cout<<"\nDelete inserted string| "<<s2;
    s2.replace(0, 0, s3);
    cout<<"\nReplace string AsItIs | "<<s2;
    s2.append(s3);
    cout<<"\nAppend s2 To s3       | "<<s2;
    s2.assign(s3);
    cout<<"\ns3 Assign string s2   | "<<s2;
    cout<<"\n———————————————————————————————————————————\n";
    return 0;
}

kodingwindow@kw:~$ g++ kw.cpp
kodingwindow@kw:~$ ./a.out
———————————————————————————————————————————
Program for the string operations
———————————————————————————————————————————
String s1 | Hello
String s2 | "Hello"
String s3 | 'World'
———————————————————————————————————————————
Size of string s2     | 7
Length of string s1   | 5
Length of string s3   | 7
Capacity of string s2 | 15
Concatination s1+s3   | Hello'World'
Max size of string s2 | 9223372036854775807
———————————————————————————————————————————
After swapping the strings...
———————————————————————————————————————————
s3 | "Hello"
s2 | 'World'
———————————————————————————————————————————
Insert s3 into s2     | 'Wo"Hello"rld'
Delete inserted string| 'World'
Replace string AsItIs | "Hello"'World'
Append s2 To s3       | "Hello"'World'"Hello"
s3 Assign string s2   | "Hello"
———————————————————————————————————————————
kodingwindow@kw:~$