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For the following code, what would be the value of str[2]?String[] str = {“abc”, “def”, “ghi”, “jkl”};

A class’s responsibilities include ________.

What will be the result after the following code is executed?

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.