2D array in Qt: QVector or QList

**Zlatomir** · 18th May 2012, 15:10

Qt Code:

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QVector<QVector<QString> > vectorOfVectorsOfStrings;
 
	for(int i = 0; i < 3; i++) //of course you might not want to init the vectors in a loop - this is just an example
	{
		QVector<QString> foo; //create a QVector of QStrings
		foo.push_back("fooo");
		foo.push_back("booo");
		vectorOfVectorsOfStrings.push_back(foo); //add the created vector as a line in your 2D vector
	}
 
	for(int i = 0; i < vectorOfVectorsOfStrings.size(); i++)
	{
		for(int j = 0; j < vectorOfVectorsOfStrings[i].size(); j++)
		{
			//do stuff with the QString vectorOfVectorsOfStrings[i][j] 
		}
	}

QVector<QVector<QString> > vectorOfVectorsOfStrings;

	for(int i = 0; i < 3; i++) //of course you might not want to init the vectors in a loop - this is just an example
	{
		QVector<QString> foo; //create a QVector of QStrings
		foo.push_back("fooo");
		foo.push_back("booo");
		vectorOfVectorsOfStrings.push_back(foo); //add the created vector as a line in your 2D vector
	}

	for(int i = 0; i < vectorOfVectorsOfStrings.size(); i++)
	{
		for(int j = 0; j < vectorOfVectorsOfStrings[i].size(); j++)
		{
			//do stuff with the QString vectorOfVectorsOfStrings[i][j] 
		}
	}

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