Re: help

Lew <>
Sun, 02 Mar 2008 10:10:21 -0500
Peter Duniho wrote:

But you could write this:

    JTextField[] arr_field = new JTextField[3];

    for (int i = 0; i < arr_field.length(); i++)
        arr_field[i] = new JTextField(10);

In other words, you can allocate a new array, assign that instance to
the variable, and then access the array through that variable. (You'll
note I also changed the loop termination...I prefer not hard-coding
numbers when not necessary, as it makes the code more reliable and

for more details.

Peter is right except for one tiny typographical glitch - the 'length'
attribute of an array is not a method, so the termination of the loop will be
  i < arr_field.length;
without the parentheses.

Array initialization or assignment is a two-step process: first assign the
entire array as a block of "empty" storage locations (there are rules about
the initial value of each element), then assign each element. The first step
does not create individual object instances for each slot, but allocates
pointer storage and determines the overall size of the array - the 'length'


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