(C++) IfExample1

 

 

if example 1: basics is an if example.

 

• Download the Qt Creator project 'CppIfExample1' (zip)

Technical facts

 

Operating system(s) or programming environment(s)

• Lubuntu 15.04 (vivid)

IDE(s):

• Qt Creator 3.1.1

Project type:

• Console application

C++ standard:

• C++98

Compiler(s):

• G++ 4.9.2

Libraries used:

• STL: GNU ISO C++ Library, version 4.9.2

 

 

 

 

 

Qt project file: ./CppIfExample1/CppIfExample1.pro

 

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TEMPLATE = app CONFIG += console CONFIG -= app_bundle CONFIG -= qt SOURCES += main.cpp CONFIG(release, debug|release) {   DEFINES += NDEBUG NTRACE_BILDERBIKKEL } QMAKE_CXXFLAGS += -Wall -Wextra -Weffc++ unix {   QMAKE_CXXFLAGS += -Werror } win32 {   INCLUDEPATH += \     ../../Libraries/boost_1_54_0 }

 

 

 

 

 

./CppIfExample1/main.cpp

 

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#include <cstdlib> #include <iostream> int main() {   //Draw a random number   const int x = std::rand();   std::cout << "Drew random number: " << x << '\n';   //If statement   if (x == 42)   {     std::cout       << "The value of x is the Answer to The Ultimate Question of Life, "       << "the Universe, and Everything.\n";   }   //If-else statement   if (x % 2 == 0)   {     std::cout << "The value of x is even.\n";   }   else   {     std::cout << "The value of x is odd.\n";   } } /* Screen output: Drew random number: 41 The value of x is odd. Press <RETURN> to close this window... */