Replaced depercated function and added qmake.

Author: XuhuaHuang

Qt/Console/Console.pro

@@ -0,0 +1,18 @@
+######################################################################
+# Automatically generated by qmake (3.1) Sun Nov 27 18:11:43 2022
+######################################################################
+
+TEMPLATE = app
+TARGET = Console
+INCLUDEPATH += .
+
+# You can make your code fail to compile if you use deprecated APIs.
+# In order to do so, uncomment the following line.
+# Please consult the documentation of the deprecated API in order to know
+# how to port your code away from it.
+# You can also select to disable deprecated APIs only up to a certain version of Qt.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+# Input
+SOURCES += main.cpp
+# RESOURCES += resources.qrc

Qt/Console/main.cpp

@@ -46,7 +46,7 @@ int main(void)
     a.prepend("Music ");
 
     out << "Original mesasge: " << a << "\n";
-    out << "The a string has " << a.count()
+    out << "The a string has " << a.length()
         << " characters" << "\n";
 
     // toUpper() and toLower()