Which of these method of ArrayList class is used to obtain present size of an object/ a. size()
b. length()
c. index()
d. capacity()

The method of ArrayList class which is used to obtain the present size of an object is:

a. size()

Explanation:

In ArrayList, the size() method provides the number of objects available in the collection, array, or list.  In Java programming, ArrayList forms a part of the collection framework and has a set of methods to access elements and modify them.  An ArrayList does not have a fixed-size data structure, unlike an Array, but continues to expand in size.

to change your username, you must:

1) make sure what the username you want to change to is allowed in this community

2) contact a administrator (for example, jaysl)

3) through pm, tell the admin what you want to change to

4) if the username is allowed, it will be changed in a matter of seconds (minutes at most)

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assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

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