How can I get the col number of a col Name?

cardillo / joinery

Data frames for Java

https://joinery.sh

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How can I get the col number of a col Name? #74

Open DQinYuan opened 6 years ago

DQinYuan commented 6 years ago

The only method I can think is columns.get(columnName)，but columns is a private member of DataFrame，Can you provider some interface, so that users can access Index columns member？