df change column names
df.rename(columns={"A": "a", "B": "b", "C": "c"},
errors="raise", inplace=True)df change column names
df.rename(columns={"A": "a", "B": "b", "C": "c"},
errors="raise", inplace=True)get column names as list java
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;
}Copyright © 2021 Codeinu
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