Question

I need to create a series of objects, and it just looks plain ugly right now:

CheckBox checkOne = (CheckBox) findViewById(R.id.checkOne);
CheckBox checkTwo = (CheckBox) findViewById(R.id.checkTwo;
CheckBox checkThree = (CheckBox) findViewById(R.id.checkThree);
CheckBox checkFour = (CheckBox) findViewById(R.id.checkFour);
CheckBox checkFive = (CheckBox) findViewById(R.id.checkFive);

I’m on an intermediate level when it comes to Java, so what I wanted to do was to do a for loop and then use variable variables. Alas, Java does not support this. Is there any, less recursive, way to do this?

Answer 1

Assuming the lookup keys are ints, you can do it like this:

CheckBox[] boxes = new CheckBox[5];
int[] ids = new int[]{R.id.checkOne, R.id.checkTwo, R.id.checkThree, 
                      R.id.checkFour, R.id.checkFive};

for (int i=0; i<5; i++) {
   boxes[i] = (CheckBox) findViewById(ids[i])
}

If the keys are something else, you’ll of course need to change the type of the ids array.

And if you have control over how these keys are held in the R class, you might better just make them an array there.

You might also be better off using Lists instead of arrays.