How to convert a string to enum in Java

To convert a string to enum in Java you can use the following snippet.

Considering the following enum.

Sample Java

public enum Testenum {
  One,Two,Three,Four
}

you can cast an string to enum like this:

Sample Java

Testenum.valueOf("Two");

How to get all column names of a Table in Oracle

To get all column names of a Table in Oracle you can use the following snippet.

SELECT table_name, column_name, data_type, data_length
FROM USER_TAB_COLUMNS
WHERE table_name = 'TABLENAME'

If you are using MSSQL, take a look at this snippet -> How to list all columns from a table in MSSQL