drop null values code example

Example 1: drop null rows pandas

df.dropna()

Example 2: delete nans in df python

df[~np.isnan(df)]

Example 3: how to remove null values

List<String> list = new ArrayList
              (Arrays.asList("Java",null,"Python",null, "Ruby"));
CollectionUtils.filter
         (list, PredicateUtils.notNullPredicate()); ==> removes nulls
System.out.println(list);