Which of the following statements about interfaces is true?

In big-Oh notation, suppose an algorithm requires an order of n3 element visits. How does doubling the number of elements affect the number of visits?

Which of the following is not a visual component?

Which of the following statements about exception reporting is true?

Which GUI element allows text entry from the program user?

Complete the code for the calcPower recursive method shown below, which is intended to raise the base number passed into the method to the exponent power passed into the method: public static int calcPower(int baseNum, int exponent) { int answer = 0; ________________________ { answer = 1; } else { answer = baseNum * calcPower (baseNum, exponent – 1); } return answer; }

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?