[ Home Page ] [ Back ] [ Content of Contributions ] [ Movement: Green Leaf World ]
Program Reference: Cpp_Programs/ Day_05/ Prog_01.cpp
#include<iostream>
#include<string>
using namespace std;
int main (void)
{
//DECLARING OBJECT UNDER THE CLASS string
string Str;
char t;
cout<<"\nWorking with String Class....";
cout<<"\n\tSize if String Allocated(Initially): "<<Str.capacity();
//READ A STRING USING getline()
cout<<"\n\n\tEnter a String: ";
getline(cin, Str); //for string input
cout<<"\t\tString Entered: "<<Str<<".";
cout<<"\n\t\tLength of String: "<<Str.length();
cout<<"\n\t\tSize of String Allocated(After Input): "<<Str.capacity();
//RESIZE
Str.resize(20);
cout<<"\n\n\tString Entered(After Resize): "<<Str<<".";
cout<<"\n\tSize of String Allocated(After Resize): "<<Str.capacity();
//SHRINK
cout<<"\n\n\tEnter New String: ";
getline(cin, Str); //for string input
cout<<"\t\tNew String Entered: "<<Str<<".";
Str.shrink_to_fit();
cout<<"\n\t\tString Entered(After Shrink): "<<Str<<".";
cout<<"\n\t\tSize of String Allocated(After Shrink): "<<Str.capacity();
//APPEND A CHARACTER AT THE END
cout<<"\n\n\tEnter a Character to Append: ";
cin>>t;
Str.push_back(t); //to append at the end of the Str
cout<<"\tString is(After Append): "<<Str<<".";
//DELETE A CHARACTER FROM THE END
Str.pop_back(); //to append at the end of the Str
cout<<"\n\n\tString is(After Delete Last Character): "<<Str<<".";
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Size if String Allocated(Initially): 0
Enter a String: Test
String Entered: Test.
Length of String: 4
Size of String Allocated(After Input): 4
String Entered(After Resize): Test.
Size of String Allocated(After Resize): 20
Enter New String: Testing
New String Entered: Testing.
String Entered(After Shrink): Testing.
Size of String Allocated(After Shrink): 7
Enter a Character to Append: s
String is(After Append): Testings.
String is(After Delete Last Character): Testing.
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_02.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
int main (void)
{
cout<<"\nWorking with String Class....";
//DECLARATION WITH INITIALIZATION
string S1("Initial String....");
cout<<"\n\tInitial String is: "<<S1;
string S2(S1);
cout<<"\n\tSecond String is: "<<S2;
string S3(10, '*');
cout<<"\n\tThird String is: "<<S3;
string S4(S1, 1, 4);
cout<<"\n\tFourth String is: "<<S4;
string S5(S1.begin(), S1.begin()+S1.length());
cout<<"\n\tFifth String is: "<<S5;
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Initial String is: Initial String....
Second String is: Initial String....
Third String is: **********
Fourth String is: niti
Fifth String is: Initial String....
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_03.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
int main (void)
{
string Str1, Str2, Str3;
cout<<"\nWorking with String Class....";
cout<<"\n\tEnter a String: "; getline(cin, Str1);
cout<<"\tEnter another String: "; getline(cin, Str2);
cout<<"\n\tAppending String....";
Str3.append(Str1);
Str3.append(" ");
Str3.append(Str2);
cout<<"\n\tResult: "<<Str3;
Str3.clear();
cout<<"\n\tResult after Clear: "<<Str3;
string Str4(Str1);
cout<<"\n\n\tSub-String("<<Str1<<", "<<"1, 5): "<<Str4.substr(1, 5);
string Str5(Str1);
cout<<"\n\n\tErasing("<<Str1<<", "<<"1, 2): "<<Str5.erase(1, 2);
string Str6(Str1);
cout<<"\n\n\tReplace("<<Str1<<", "<<"1, 2, \"XXXXXXX\"): "<<Str6.replace(1, 2, "XXXXXXX");
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Enter a String: Test String
Enter another String: Data
Appending String....
Result: Test String Data
Result after Clear:
Sub-String(Test String, 1, 5): est S
Erasing(Test String, 1, 2): Tt String
Replace(Test String, 1, 2, "XXXXXXX"): TXXXXXXXt String
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_04.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
int main (void)
{
//DECLARING OBJECT UNDER THE CLASS string
string Str;
string::iterator Start, End, iPtr;
cout<<"\nWorking with String Class....";
//READ A STRING USING getline()
cout<<"\n\tEnter a String: ";
getline(cin, Str); //for string input
//DISPLAYING USING ITERATOR
cout<<"\tString Entered: ";
Start= Str.begin();
End= Str.end();
for (iPtr=Start; iPtr!=End; iPtr++) cout<<*iPtr;
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Enter a String: Test Data
String Entered: Test Data
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_05.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
int main (void)
{
//DECLARING OBJECT UNDER THE CLASS string
string Str;
string::reverse_iterator Start, End, iPtr;
cout<<"\nWorking with String Class....";
//READ A STRING USING getline()
cout<<"\n\tEnter a String: ";
getline(cin, Str); //for string input
//DISPLAYING USING ITERATOR
cout<<"\tString(in Reverse) Entered: ";
Start= Str.rbegin();
End= Str.rend();
for (iPtr=Start; iPtr!=End; iPtr++) cout<<*iPtr;
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Enter a String: Test Data
String(in Reverse) Entered: ataD tseT
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_06.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
//using namespace iterator;
int main (void)
{
//DECLARING OBJECT UNDER THE CLASS string
string Str;
cout<<"\nWorking with String Class....";
//READ A STRING USING getline()
cout<<"\n\tEnter a String: ";
getline(cin, Str); //for string input
//DISPLAYING USING INDEX
cout<<"\tString Entered: ";
for (int i=0; i<Str.length(); i++) cout<<Str.at(i);
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Enter a String: Test Data
String Entered: Test Data
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_07.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
//using namespace iterator;
int main (void)
{
//DECLARING OBJECT UNDER THE CLASS string
string StrS, StrD;
int i;
cout<<"\nWorking with String Class....";
//READ A STRING USING getline()
cout<<"\n\tEnter a String: ";
getline(cin, StrS); //for string input
//COPY BY ACCESSING EACH CHARACTER INDIVIDUALLY
StrD.resize(StrS.length());
for (i=0; i<StrS.length(); i++) StrD.at(i)=StrS.at(i);
cout<<"\n\tString(Source): "<<StrS<<"\n\tString(Destination): "<<StrD;
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Enter a String: Test Data
String(Source): Test Data
String(Destination): Test Data
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_08.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
//using namespace iterator;
int main (void)
{
//DECLARING OBJECT UNDER THE CLASS string
string StrS;
char StrD[100];
int i;
cout<<"\nWorking with String Class....";
//READ A STRING USING getline()
cout<<"\n\tEnter a String: ";
getline(cin, StrS); //for string input
//COPY BY ACCESSING EACH CHARACTER INDIVIDUALLY
cout<<"\n\tCopy using Index Access:";
for (i=0; i<StrS.length(); i++) StrD[i]=StrS.at(i);
StrD[i]= '\0';
cout<<"\n\t\tString(Source): "<<StrS<<"\n\t\tCharacter Array(Destination): "<<StrD;
//COPY USING LIBRARY FUNCTION
cout<<"\n\n\tCopy using Library Function:";
StrS.copy(StrD, StrS.length(), 0);
cout<<"\n\t\tString(Source): "<<StrS<<"\n\t\tCharacter Array(Destination): "<<StrD;
cout<<"\nEnd of the Program....\n\n";
}
Output
Working with String Class....
Enter a String: Test Data
Copy using Index Access:
String(Source): Test Data
Character Array(Destination): Test Data
Copy using Library Function:
String(Source): Test Data
Character Array(Destination): Test Data
End of the Program....
Program Reference: Cpp_Programs/ Day_05/ Prog_09.cpp
#include<iostream>
#include<string>
#include<iterator>
using namespace std;
//using namespace iterator;
int main (void)
{
//DECLARING OBJECT UNDER THE CLASS string
string Str1, Str2;
int i;
cout<<"\nWorking with String Class....";
cout<<"\n\tEnter a String: ";
getline(cin, Str1); //for string input
cout<<"\tEnter another String: ";
getline(cin, Str2); //for string input
cout<<"\n\tBefore Swaping:";
cout<<"\n\t\tFirst String: "<<Str1;
cout<<"\n\t\tSecond String: "<<Str2;
Str1.swap(Str2);
cout<<"\n\n\tAfter Swaping:";
cout<<"\n\t\tFirst String: "<<Str1;
cout<<"\n\t\tSecond String: "<<Str2;
cout<<"\nEnd of the Program....\n\n";
}
Output Working with String Class....
Enter a String: This is First String
Enter another String: This is Second String
Before Swaping:
First String: This is First String
Second String: This is Second String
After Swaping:
First String: This is Second String
Second String: This is First String
End of the Program....
