Question 1

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

Accepted Answer

Creating an enumeration type provides yo

Question 2

int[][] myVals = {{10, 15, 20, 25}, 
                  {30, 35, 40, 45, 50, 55, 60}, 
                  {65, 70, 75, 80, 85, 90}}; 
Using the above array, what is the value of myVals.length ? What is the value of myVals[1].length ? What is the value of myVals[2].length ? Explain how you determined these values.

Accepted Answer

When working with a two-dimensional arra

Question 3

When you place objects in order beginning with the object that has the highest value, you are sorting in ____ order.

Accepted Answer

A)  ascending 
B)  reverse 
C)  descending 
D)  lowest 
A)  ascending 
B)  reverse 
C)  descending 
D)  lowest

Question 4

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

Accepted Answer

A)  Passing 
B)  Organizing 
C)  Sorting 
D)  Sending 
A)  Passing 
B)  Organizing 
C)  Sorting 
D)  Sending

Question 5

Match between columns
                        Premises: Use them with the class name without instantiating an object

Accepted Answer

The Answer of set() method and jagged array and Enumerated is...

Question 6

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

Accepted Answer

An ArrayList  can hold any type of objec

Question 7

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.

Accepted Answer

A)  valueAt 
B)  positionOf 
C)  ordinal 
D)  indexOf 
A)  valueAt 
B)  positionOf 
C)  ordinal 
D)  indexOf

Question 8

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 9

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

Accepted Answer

A)  delete 
B)  get 
C)  erase 
D)  remove 
A)  delete 
B)  get 
C)  erase 
D)  remove

Question 10

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, "Level: "); 
      level = Integer.parseInt(prompt); 
      JOption.showMessageDialog(null, "Your points: " + ---complete code here-----); 
   } 
} 
The above code depicts a two-dimensional array named points that refers to a Class and Level to determine a point value. Complete the JOption command so that the code will determine a point value based on the points array.

Accepted Answer

JOption.showMessageD

Question 11

Match between columns
                        Premises: A popularly known sorting method

Accepted Answer

The Answer of ascending order and matrix and static methods is...

Question 12

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 .

Accepted Answer

ArrayList myVals = new ArrayList(15); 
A

Question 13

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

Accepted Answer

A) True 
 B)False

Question 14

In a(n) ____, you repeatedly compare pairs of items, swapping them if they are out of order, 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 15

Match between columns
                        Premises: Can be pictured as a column of values

Accepted Answer

The Answer of type-safe and Enumerated data type and one-dimensional is...

Question 16

When using the Arrays.binarySearch() method, it is not necessary for the list to be in order because the binarySearch() method will sort the items when called.

Accepted Answer

A) True 
 B)False

Question 17

Which Java statement creates a jagged array with six rows?

Accepted Answer

A)  double [][] sales = new double[6][4] 
B)  double [][] sales = new double[4][6] 
C)  double [][] sales = new double[6][] 
D)  double [][] sales = new double[][6] 
A)  double [][] sales = new double[6][4] 
B)  double [][] sales = new double[4][6] 
C)  double [][] sales = new double[6][] 
D)  double [][] sales = new double[][6]

Question 18

Match between columns
                        Premises: Placing objects in order beginning with the lowest value

Accepted Answer

The Answer of multidimensional array and set() method and ascending is...

Question 19

How can you sort arrays of objects?

Accepted Answer

You can sort arrays of objects in much t

Question 20

The ArrayList class ____ method retrieves an item from a specified location in an ArrayList .

Accepted Answer

A)  extract 
B)  get 
C)  peek 
D)  retrieve 
A)  extract 
B)  get 
C)  peek 
D)  retrieve

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

int[][] myVals = {{10, 15, 20, 25}, {30, 35, 40, 45, 50, 55, 60}, {65, 70, 75, 80, 85, 90}}; Using the above array, what is the value of myVals.length ? What is the value of myVals[1].length ? What is the value of myVals[2].length ? Explain how you determined these values.

When you place objects in order beginning with the object that has the highest value, you are sorting in ____ order.

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

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

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.

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

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

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 .

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

In a(n) ____, you repeatedly compare pairs of items, swapping them if they are out of order, eventually creating a sorted list.

When using the Arrays.binarySearch() method, it is not necessary for the list to be in order because the binarySearch() method will sort the items when called.

Which Java statement creates a jagged array with six rows?

How can you sort arrays of objects?

The ArrayList class ____ method retrieves an item from a specified location in an ArrayList .

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters

Exam 9: Advanced Array Concepts

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

int[][] myVals = {{10, 15, 20, 25}, {30, 35, 40, 45, 50, 55, 60}, {65, 70, 75, 80, 85, 90}}; Using the above array, what is the value of myVals.length ? What is the value of myVals[1].length ? What is the value of myVals[2].length ? Explain how you determined these values.

When you place objects in order beginning with the object that has the highest value, you are sorting in ____ order.

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

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

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.

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

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

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 .

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

In a(n) ____, you repeatedly compare pairs of items, swapping them if they are out of order, eventually creating a sorted list.

When using the Arrays.binarySearch() method, it is not necessary for the list to be in order because the binarySearch() method will sort the items when called.

Which Java statement creates a jagged array with six rows?

How can you sort arrays of objects?

The ArrayList class ____ method retrieves an item from a specified location in an ArrayList .

Creating Your First Java Classes

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

Using Javafx and Scene Builder

Filters