creating a 2d arraylist in java
List<List<String>> listOfLists = new ArrayList<List<String>>(size);
for(int i=0; i<size; i++) {
listOfLists.add(new ArrayList<String>());
}creating a 2d arraylist in java
List<List<String>> listOfLists = new ArrayList<List<String>>(size);
for(int i=0; i<size; i++) {
listOfLists.add(new ArrayList<String>());
}initialize a 2d list python
>>> y = [['' for i in range(3)] for j in range(3)]
[['', '', ''], ['', '', ''], ['', '', '']]
>>> y[0][0]=1
>>> print(y)
[[1, '', ''], ['', '', ''], ['', '', '']]Copyright © 2021 Codeinu
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