Exam 9: Advanced Array Concepts

double[][] empSales = new double[5][]; The above statement declares a(n) ____ array.

The ArrayList class ____ method removes an item from an ArrayList at a specified location.

Programmers often refer to a ____ search as a "divide and conquer" procedure.

What is the advantage of declaring an ArrayList with a specified type?

Write the statement to declare an ArrayList named myVals with a capacity of 15 items. Explain the importance of capacity when working with an ArrayList .

What are some of the advantages of creating an enumeration type?

Which Java statement creates a ragged array with six rows?

enum Color {RED, GREEN, BLUE} public class EnumOrdinal {     public static void main(String[] args)    {      ---Code here---      ---Code here---      ---Code here---     } } The above code demonstrates the use of the enum ordinal() method to get the ordinal value of an enum constant. Fill in the indicated lines with println() statements that will get the ordinal of the enumeration constant. Describe the output that will display when the code is executed.

Write the code for bubble sorting a someNums array of integers.

How can you use the length field with a two-dimensional array? Show an example two-dimensional array declaration and provide the length values for the example array.

The bubble sort is the fastest and most efficient sorting technique.

The simplest possible sort involves two values that are out of order.

Regarding enumerations, the ____ method returns an integer that represents the constant's position in the list of constants; as with arrays, the first position is 0.

How can you sort arrays of objects?

import java.util.*; public class sortArray {      public static void main(String[] args)     {        double[] lengths = {120.0, 0.5, 0.0, 999.0, 77.3};        Arrays.sort(lengths);          System.out.println(Arrays.toString(lengths));     } } Using the above code, what will be the output of the println statement when the code is executed?

The negative integer returned by the binarySearch() method when the value is not found is the negative equivalent of the array ____.

____ is the process of arranging a series of objects in some logical order.

The Arrays class ____ methods are a new feature in Java 8 that makes sorting more efficient when thousands or millions of objects need to be sorted.

An ArrayList 's ____ is the number of items it can hold without having to increase its size.