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+//! [0]
+#include <qvaluevector.h>
+#include <qstring.h>
+#include <stdio.h>
+
+class Employee
+{
+public:
+ Employee(): s(0) {}
+ Employee( const QString& name, int salary )
+ : n( name ), s( salary )
+ { }
+
+ QString name() const { return n; }
+ int salary() const { return s; }
+ void setSalary( int salary ) { s = salary; }
+private:
+ QString n;
+ int s;
+};
+
+int main()
+{
+ typedef Q3ValueVector<Employee> EmployeeVector;
+ EmployeeVector vec( 3 ); // vector of 3 Employees
+
+ vec[0] = Employee( "Bill", 50000 );
+ vec[1] = Employee( "Steve", 80000 );
+ vec[2] = Employee( "Ron", 60000 );
+
+ Employee joe( "Joe", 50000 );
+ vec.push_back( joe ); // vector expands to accommodate 4 Employees
+ joe.setSalary( 70000 );
+
+ EmployeeVector::iterator it;
+ for( it = vec.begin(); it != vec.end(); ++it )
+ printf( "%s earns %d\n", (*it).name().latin1(), (*it).salary() );
+
+ return 0;
+}
+//! [0]
+
+
+//! [1]
+Bill earns 50000
+Steve earns 80000
+Ron earns 60000
+Joe earns 50000
+//! [1]
+
+
+//! [2]
+Q3ValueVector<int> vec1; // an empty vector
+vec1[10] = 4; // WARNING: undefined, probably a crash
+
+Q3ValueVector<QString> vec2(25); // initialize with 25 elements
+vec2[10] = "Dave"; // OK
+//! [2]
+
+
+//! [3]
+void func( Q3ValueVector<int>& vec )
+{
+ if ( vec.size() > 10 ) {
+ vec[9] = 99; // OK
+ }
+};
+//! [3]
+
+
+//! [4]
+Q3ValueVector<int> vec( 3 );
+vec.push_back( 1 );
+vec.push_back( 2 );
+vec.push_back( 3 );
+...
+if ( !vec.empty() ) {
+ // OK: modify the first element
+ int& i = vec.front();
+ i = 18;
+}
+...
+Q3ValueVector<double> dvec;
+double d = dvec.back(); // undefined behavior
+//! [4]