#include <iostream>
#include <iomanip>
int main(){
//std::endl : places a new line character on the output stream.
// This is identical to placing '\n' on the output stream.
std::cout << "Hello";
std::cout << "World";
std::cout << std::endl;
std::cout << "-------------" << std::endl;
std::cout << "Hello" << std::endl;
std::cout << "World" << std::endl;
std::cout << std::endl;
std::cout << "Hello\n";
std::cout << "World\n";
//===================================================================
std::cout << std::endl;
//std::flush : flushes the output buffer to its final destination.
std::cout << "This is a nice message...." << std::endl << std::flush;
//After this std::flush, we're sure that at this line, the message has been sent
//to the stream. This may be important in some applications.
//===================================================================
std::cout << std::endl;
//std::setw() : Adjusts the field with for the item about to be printed.
//The setw() manipulator only affects the next value to be printed.
std::cout << "Unformatted table : " << std::endl;
std::cout << "Daniel" << " " << "Gray" << " 25" << std::endl;
std::cout << "Stanley" <<" " << "Woods" << " 33" << std::endl;
std::cout << "Jordan" << " " << "Parker" << " 45" << std::endl;
std::cout << "Joe" << " " << "Ball" << " 21" << std::endl;
std::cout << "Josh" << " " << "Carr" << " 27" << std::endl;
std::cout << "Izaiah" << " " << "Robinson" << " 29" << std::endl;
std::cout << std::endl;
std::cout << "Formatted table : " << std::endl;
std::cout << std::setw(10) << "Lastname" << std::setw(10) << "Firstname" << std::setw(5) << "Age" << std::endl;
std::cout << std::setw(10) << "Daniel" << std::setw(10) << "Gray" << std::setw(5) << "25" << std::endl;
std::cout << std::setw(10) << "Stanley" << std::setw(10) << "Woods" << std::setw(5) << "33" << std::endl;
std::cout << std::setw(10) << "Jordan" << std::setw(10) << "Parker" << std::setw(5) << "45" << std::endl;
std::cout << std::setw(10) << "Joe" << std::setw(10) << "Ball" << std::setw(5) << "21" << std::endl;
std::cout << std::setw(10) << "Josh" << std::setw(10) << "Carr" << std::setw(5) <<"27" << std::endl;
std::cout << std::setw(10) << "Izaiah" << std::setw(10) << "Robinson" << std::setw(5) << "29" << std::endl;
std::cout << std::endl;
std::cout << "Formatted table with variables: " << std::endl;
int col_width{14};
std::cout << std::setw(col_width) << "Lastname" << std::setw(col_width) << "Firstname" << std::setw(col_width/2) << "Age" << std::endl;
std::cout << std::setw(col_width) << "Daniel" << std::setw(col_width) << "Gray" << std::setw(col_width/2) << "25" << std::endl;
std::cout << std::setw(col_width) << "Stanley" << std::setw(col_width) << "Woods" << std::setw(col_width/2) << "33" << std::endl;
std::cout << std::setw(col_width) << "Jordan" << std::setw(col_width) << "Parker" << std::setw(col_width/2) << "45" << std::endl;
std::cout << std::setw(col_width) << "Joe" << std::setw(col_width) << "Ball" << std::setw(col_width/2) << "21" << std::endl;
std::cout << std::setw(col_width) << "Josh" << std::setw(col_width) << "Carr" << std::setw(col_width/2) <<"27" << std::endl;
std::cout << std::setw(col_width) << "Izaiah" << std::setw(col_width) << "Robinson" << std::setw(col_width/2) << "29" << std::endl;
//===================================================================
std::cout << std::endl;
//Justify : Values can be justified in their fields. There are three manipulators
// for adjusting the justification: left, right, and internal.
//right justified
std::cout << std::endl;
std::cout << "Right justified table(default) : " << std::endl;
col_width = 20;
std::cout << std::right;
std::cout << std::setw(col_width) << "Lastname" << std::setw(col_width) << "Firstname" << std::setw(col_width/2) << "Age" << std::endl;
std::cout << std::setw(col_width) << "Daniel" << std::setw(col_width) << "Gray" << std::setw(col_width/2) << "25" << std::endl;
std::cout << std::setw(col_width) << "Stanley" << std::setw(col_width) << "Woods" << std::setw(col_width/2) << "33" << std::endl;
std::cout << std::setw(col_width) << "Jordan" << std::setw(col_width) << "Parker" << std::setw(col_width/2) << "45" << std::endl;
std::cout << std::setw(col_width) << "Joe" << std::setw(col_width) << "Ball" << std::setw(col_width/2) << "21" << std::endl;
std::cout << std::setw(col_width) << "Josh" << std::setw(col_width) << "Carr" << std::setw(col_width/2) <<"27" << std::endl;
std::cout << std::setw(col_width) << "Izaiah" << std::setw(col_width) << "Robinson" << std::setw(col_width/2) << "29" << std::endl;
//Left justified
std::cout << std::endl;
std::cout << "Left justified table : " << std::endl;
col_width = 20;
std::cout << std::left;
std::cout << std::setw(col_width) << "Lastname" << std::setw(col_width) << "Firstname" << std::setw(col_width/2) << "Age" << std::endl;
std::cout << std::setw(col_width) << "Daniel" << std::setw(col_width) << "Gray" << std::setw(col_width/2) << "25" << std::endl;
std::cout << std::setw(col_width) << "Stanley" << std::setw(col_width) << "Woods" << std::setw(col_width/2) << "33" << std::endl;
std::cout << std::setw(col_width) << "Jordan" << std::setw(col_width) << "Parker" << std::setw(col_width/2) << "45" << std::endl;
std::cout << std::setw(col_width) << "Joe" << std::setw(col_width) << "Ball" << std::setw(col_width/2) << "21" << std::endl;
std::cout << std::setw(col_width) << "Josh" << std::setw(col_width) << "Carr" << std::setw(col_width/2) <<"27" << std::endl;
std::cout << std::setw(col_width) << "Izaiah" << std::setw(col_width) << "Robinson" << std::setw(col_width/2) << "29" << std::endl;
//Internal justified : sign is left justified , data is right justified
std::cout << std::endl;
std::cout << "Internal justified : " << std::endl;
std::cout << std::right;
std::cout << std::setw(10) << -123.45 << std::endl;
std::cout << std::internal;
std::cout << std::setw(10) << -123.45 << std::endl;
//===================================================================
std::cout << std::endl;
//setfill
std::cout << std::endl;
std::cout << "Table with fill characters : " << std::endl;
col_width = 20;
std::cout << std::left;
std::cout << std::setfill('*'); // The fill character
std::cout << std::setw(col_width) << "Lastname" << std::setw(col_width) << "Firstname" << std::setw(col_width/2) << "Age" << std::endl;
std::cout << std::setw(col_width) << "Daniel" << std::setw(col_width) << "Gray" << std::setw(col_width/2) << "25" << std::endl;
std::cout << std::setw(col_width) << "Stanley" << std::setw(col_width) << "Woods" << std::setw(col_width/2) << "33" << std::endl;
std::cout << std::setw(col_width) << "Jordan" << std::setw(col_width) << "Parker" << std::setw(col_width/2) << "45" << std::endl;
std::cout << std::setw(col_width) << "Joe" << std::setw(col_width) << "Ball" << std::setw(col_width/2) << "21" << std::endl;
std::cout << std::setw(col_width) << "Josh" << std::setw(col_width) << "Carr" << std::setw(col_width/2) <<"27" << std::endl;
std::cout << std::setw(col_width) << "Izaiah" << std::setw(col_width) << "Robinson" << std::setw(col_width/2) << "29" << std::endl;
//===================================================================
std::cout << std::endl;
//boolalpha and noboolapha : control bool output format : 1/0 or true/false
bool condition {true};
bool other_condition {false};
std::cout << "conditi
Source code for the C++ 20 Masterclass on udemy .zip
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2024-01-01
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Source code for the C++ 20 Masterclass on udemy .zip （988个子文件） 
main.cpp 14KB main.cpp 10KB main.cpp 9KB main.cpp 8KB main.cpp 8KB main.cpp 7KB main.cpp 7KB main.cpp 7KB main.cpp 6KB main.cpp 6KB main.cpp 6KB main.cpp 5KB main.cpp 5KB main.cpp 5KB main.cpp 5KB main.cpp 5KB main.cpp 5KB main.cpp 5KB main.cpp 5KB doublecontainer.cpp 4KB charcontainer.cpp 4KB main.cpp 4KB intcontainer.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB main.cpp 4KB boxcontainer.cpp 4KB main.cpp 4KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB number.cpp 3KB number.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 3KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB boxcontainer.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB civilengineer.cpp 2KB main.cpp 2KB main.cpp 2KB main.cpp 2KB共 988 条
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