Java: how do I initialize an array size if it's unknown?

Question

I\'m asking the user to enter some numbers between 1 and 100 and assign them into an array. The array size is not initialized since it is dependent on the number of times the us

Answer 1

**input of list of number for array from single line.

   String input = sc.nextLine();
    String arr[] = input.split(" ");
    int new_arr[] = new int[arr.length];
    for(int i=0; i