pd dataframe ottenere i nomi delle colonne
lst = data.columns.values # data is dataframe
crea dataframe con nomi di colonne panda
In [4]: import pandas as pd
In [5]: df = pd.DataFrame(columns=['A','B','C','D','E','F','G'])
In [6]: df
Out[6]:
Empty DataFrame
Columns: [A, B, C, D, E, F, G]
Index: []
ottieni i nomi delle colonne come elenco
public static List<String> getColumnNames(){
List<String> columnList = new ArrayList<>();
try {
ResultSetMetaData rsMetaData = rs.getMetaData();
for (int colNum = 1; colNum < getColumnCount() ; colNum++) {
columnList.add(rsMetaData.getColumnLabel(colNum));
}
} catch (SQLException e) {
System.out.println("ERROR WHILE GETTING COLUMN NAMES "+ e.getMessage());
}
return columnList;
}
nomi delle colonne panda
df.columns
nomi delle colonne pandas dataframe
print(data.columns.values)