How to increase the size of an array in Java?

Question

I want to store as many elements as desired by the user in an array. But how do I do it.

If I were to create an array, I must do so with a fixed size. Every time a

Answer 1

You can create a temporary array with a size that is one element larger than the original, and then copy the elements of the original into the temp, and assign the temporary array to the new one.

public void increaseSize() {
   String[temp] = new String[original.length + 1];

   for (int i = 0; i < original.length; i++){
      temp[i] = original[i];
   }
   original = temp;
}

You can change the size in various ways, but the same idea applies.