Answers for "convert arraylist of arraylist to single array"

2

convert arraylist to array in java

Integer[] arr = new Integer[al.size()]; 
  
        // ArrayList to Array Conversion 
        for (int i = 0; i < al.size(); i++) 
            arr[i] = al.get(i);
Posted by: Guest on November-13-2020
0

arraylist to java

You can only use the to array method if you convert to any object type.
Posted by: Guest on December-16-2020

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