What is the general order of a pull-down menu (from top-level going downwards)?

Which of the following statements about linked lists is correct?

When does quicksort’s worst-case run-time behavior occur? I    when the data is randomly initialized in the array II   when the data is in ascending order III  when the data is in descending order

Which return value of the JFileChooser object’s showOpenDialog method indicates that a file was chosen by the user at run time?

Assume we are using quicksort to sort an array in ascending order. What can we conclude about the indexes of two pivot elements placed in consecutive recursive calls?

What is the general order of a pull-down menu (from top-level going downwards)?

Assume we are using quicksort to sort an array in ascending order. What can we conclude about the indexes of two pivot elements placed in consecutive recursive calls?

A ________ is a user-interface component with two states: checked and unchecked.

When using the add method of the ListIterator to add an element to a linked list, which of the following statements is correct?

A ________ is a user-interface component with two states: checked and unchecked.