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Which of the following ArrayList class methods is used to insert an item at a specific location in an ArrayList?

To return an array of long values from a method, which return type should be used for the method?

A search algorithm ________.

The ArrayList class is in the ________ package.

If numbers are a two-dimensional array, which of the following would give the number of columns in row r?

When an array is passed to a method ________.

Given that String[] str has been initialized, to get a copy of str[0] with all the characters converted to uppercase, you would use the ________ statement.

Given the following method, which of these method calls is valid?

The ________ method is used to insert an item into an ArrayList.

What is the value of charges after the following code has been executed?