Question 1

int[][] myVals = {{2, 4, 6}, {1, 8, 9},
{1, 3, 5, 7}};
Using the above array, what is the value of myVals[1].length?

Accepted Answer

A)  1 
B)  7 
C)  3 
D)  6 
A)  1 
B)  7 
C)  3 
D)  6

Question 2

Since the Arrays class is part of the java.util package, you can use the java.util.*; import statement to access it.

Accepted Answer

A) True 
 B)False

Question 3

public class EnumExample
{
enum Day {SUNDAY, MONDAY, TUESDAY, WEDNESDAY,
THURSDAY, FRIDAY, SATURDAY };
Day day;
public EnumExample(Day day)
{
this.day = day;
}
public void giveFeedback()
{
switch (day)
{
case MONDAY:
System.out.println("Mondays are bad.");
break;
case FRIDAY:
System.out.println("Fridays are better.");
break;
case SATURDAY: case SUNDAY:
System.out.println("Weekends are best.");
break;
default:
System.out.println("Midweek days are so-so.");
break;
}
}
public static void main(String[] args)
{
EnumExample firstDay = new EnumExample(Day.MONDAY);
firstDay.giveFeedback();
EnumExample thirdDay = new EnumExample(Day.WEDNESDAY);
thirdDay.giveFeedback();
EnumExample fifthDay = new EnumExample(Day.FRIDAY);
fifthDay.giveFeedback();
EnumExample sixthDay = new EnumExample(Day.SATURDAY);
sixthDay.giveFeedback();
EnumExample seventhDay = new EnumExample(Day.SUNDAY);
seventhDay.giveFeedback();
}
}
Using the above enumeration and code, what will be the output when the program is executed?

Accepted Answer

Mondays are bad.
Mid

Question 4

In a(n) ____, you continue to compare pairs of items, swapping them if they are out of order, so that the smallest items rise to the top of the list, eventually creating a sorted list.

Accepted Answer

A)  range match 
B)  bubble sort 
C)  enhanced for loop 
D)  float sort 
A)  range match 
B)  bubble sort 
C)  enhanced for loop 
D)  float sort

Question 5

Match each term with the correct statement below.
-A programmer-created data type with a fixed set of values

Accepted Answer

A) ragged array 
B) bubble sort 
C) static methods 
D) two-dimensional array 
E) add() method
F)Enumerated data type
G)set() method
H)multidimensional array
I)java.util 
A) ragged array 
B) bubble sort 
C) static methods 
D) two-dimensional array 
E) add() method
F)Enumerated data type
G)set() method
H)multidimensional array
I)java.util

Question 6

import javax.swing.*;
class FindPoints
{
public static void main(String[] args)
{
int[][] points = {{ 10, 20, 30},
{20, 40, 60},
{40, 60, 80}};
String prompt;
int class;
int level;
prompt = JOptionPane.showInputDialog(null, "Class: ");
class = Integer.parseInt(prompt);
prompt = JOptionPane.showInputDialog(null,

Accepted Answer

JOption.showMessageD

Question 7

import java.util.*;
public class myArray
{
public static void main(String[] args)
{
int myVals = new int[4];
____
display("My values are: ", myVals);
}
public static void display(String message, int array[])
{
int arraySize = array.length;
System.out.print(message);
for(int x = 0; x < arraySize; ++x)
System.out.print(array[x] + " ");
}
}
Using the above code, complete the shaded section with a fill method() to fill each array element with a value of 2. What will be displayed after the display() method is executed?

Accepted Answer

Arrays.fill(myVals, 2);
When t

Question 8

An array that you can picture as a column of values, and whose elements you can access using one subscript, is a ____ array.

Accepted Answer

A)  single-dimensional 
B)  two-dimensional 
C)  parallel 
D)  column 
A)  single-dimensional 
B)  two-dimensional 
C)  parallel 
D)  column

Question 9

When you pass a two-dimensional array to a method, you pass the array name just as you do with a one-dimensional array.

Accepted Answer

A) True 
 B)False

Question 10

What are some of the advantages of the ArrayList class over the Arrays class?

Accepted Answer

In addition to the Arrays class, Java pr

Question 11

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

Accepted Answer

System.out.println("Color.RED : " + Colo

Question 12

With a two-dimensional array, the ____ field holds the number of rows in the array.

Accepted Answer

A)  size 
B)  capacity 
C)  row 
D)  length 
A)  size 
B)  capacity 
C)  row 
D)  length

Question 13

The Arrays class ____ method searches the specified array for the specified key value using the binary search algorithm.

Accepted Answer

A)  binarySearch 
B)  sort 
C)  equals 
D)  search 
A)  binarySearch 
B)  sort 
C)  equals 
D)  search

Question 14

How would you create an array named someNumbers that holds three rows and four columns?

Accepted Answer

A)  int[][] someNumbers = new int[4][3] 
B)  int[][] someNumbers = new int[3][4] 
C)  int[] someNumbers = new int[3][4] 
D)  double[][] someNumbers = new int[3][4] 
A)  int[][] someNumbers = new int[4][3] 
B)  int[][] someNumbers = new int[3][4] 
C)  int[] someNumbers = new int[3][4] 
D)  double[][] someNumbers = new int[3][4]

Question 15

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

Accepted Answer

A)  insertion 
B)  sort 
C)  ragged 
D)  boolean 
A)  insertion 
B)  sort 
C)  ragged 
D)  boolean

Question 16

When using an insertion sort, each list element is examined one at a time and moved down if the tested element should be inserted before them.

Accepted Answer

A) True 
 B)False

Question 17

Regarding enumerations, the ____ method returns the name of the calling constant object.

Accepted Answer

A)  toString 
B)  constName 
C)  ordinal 
D)  nameOf 
A)  toString 
B)  constName 
C)  ordinal 
D)  nameOf

Question 18

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

Accepted Answer

A)  type 
B)  scope 
C)  size 
D)  length 
A)  type 
B)  scope 
C)  size 
D)  length

Question 19

Describe how to visualize the following array. How would you identify the location of the 99 that is stored in the array?
int[][] someNumbers = {{8, 9, 10, 11},
{1, 3, 12, 15},
{5, 9, 44, 99} };

Accepted Answer

The someNumbers array contains three row

Question 20

The Arrays class ____________________ method sorts the specified array into ascending order.

Accepted Answer

The answer of The Arrays class ____________________ method sorts the...

int[][] myVals = {{2, 4, 6}, {1, 8, 9}, {1, 3, 5, 7}}; Using the above array, what is the value of myVals[1].length?

Since the Arrays class is part of the java.util package, you can use the java.util.*; import statement to access it.

In a(n) ____, you continue to compare pairs of items, swapping them if they are out of order, so that the smallest items rise to the top of the list, eventually creating a sorted list.

Match each term with the correct statement below. -A programmer-created data type with a fixed set of values

An array that you can picture as a column of values, and whose elements you can access using one subscript, is a ____ array.

When you pass a two-dimensional array to a method, you pass the array name just as you do with a one-dimensional array.

What are some of the advantages of the ArrayList class over the Arrays class?

With a two-dimensional array, the ____ field holds the number of rows in the array.

The Arrays class ____ method searches the specified array for the specified key value using the binary search algorithm.

How would you create an array named someNumbers that holds three rows and four columns?

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

When using an insertion sort, each list element is examined one at a time and moved down if the tested element should be inserted before them.

Regarding enumerations, the ____ method returns the name of the calling constant object.

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

Describe how to visualize the following array. How would you identify the location of the 99 that is stored in the array? int[][] someNumbers = {{8, 9, 10, 11}, {1, 3, 12, 15}, {5, 9, 44, 99} };

The Arrays class ____________________ method sorts the specified array into ascending order.

Creating Java Programs

Using Data

Using Methods, Classes, and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings, and the Stringbuilder

Arrays

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters

Exam 9: Advanced Array Concepts

int[][] myVals = {{2, 4, 6}, {1, 8, 9}, {1, 3, 5, 7}}; Using the above array, what is the value of myVals[1].length?

Since the Arrays class is part of the java.util package, you can use the java.util.*; import statement to access it.

In a(n) ____, you continue to compare pairs of items, swapping them if they are out of order, so that the smallest items rise to the top of the list, eventually creating a sorted list.

Match each term with the correct statement below. -A programmer-created data type with a fixed set of values

An array that you can picture as a column of values, and whose elements you can access using one subscript, is a ____ array.

When you pass a two-dimensional array to a method, you pass the array name just as you do with a one-dimensional array.

What are some of the advantages of the ArrayList class over the Arrays class?

With a two-dimensional array, the ____ field holds the number of rows in the array.

The Arrays class ____ method searches the specified array for the specified key value using the binary search algorithm.

How would you create an array named someNumbers that holds three rows and four columns?

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

When using an insertion sort, each list element is examined one at a time and moved down if the tested element should be inserted before them.

Regarding enumerations, the ____ method returns the name of the calling constant object.

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

Describe how to visualize the following array. How would you identify the location of the 99 that is stored in the array? int[][] someNumbers = {{8, 9, 10, 11}, {1, 3, 12, 15}, {5, 9, 44, 99} };

The Arrays class ____________________ method sorts the specified array into ascending order.

Creating Java Programs

Using Data

Using Methods, Classes, and Objects

More Object Concepts

Making Decisions

Looping

Characters, Strings, and the Stringbuilder

Arrays

Introduction to Inheritance

Advanced Inheritance Concepts

Exception Handling

File Input and Output

Introduction to Swing Components

Advanced Gui Topics

Graphics

Applets, Images, and Sound

Filters