how to Initialize 2D array but two time in android -

i need initialize 2d array 2 time

create array json_1_all

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public static string[][] json_1_all; 

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json_1_all = new string [jsontabs.length()]**[]**; 

and

for(int = 0; < jsontabs.length(); i++){  json_1_all = new string **[]**[foods.length()]; } 

please precision bold []

thank you