Question 1

What is whitespace and why is it import when reading input from the keyboard using the Scanner class?

Accepted Answer

Whitespace is any string of characters,s

Question 2

Why is echoing user input a good programming practice?

Accepted Answer

Echoing input is a technique that is com

Question 3

Write a Java statement to create and initialize a Scanner object named input.

Accepted Answer

Scanner in

Question 4

Write a Java statement to display your name in the console window.

Accepted Answer

System.out

Question 5

The Scanner class has a method next that allows an entire line of string text to be read.

Accepted Answer

A) True 
 B)False

Question 6

What does it mean to prompt the user?

Accepted Answer

Prompting the user means to display a me

Question 7

The new line character is represented as '
'.

Accepted Answer

A) True 
 B)False

Question 8

Write a complete Java console application that prompts the user for two numbers,multiplies the numbers,and then displays the result to the user.

Accepted Answer

import java.util.Scanner;
public class C

Question 9

Echoing input is good programming practice because it can reveal problems in the input.

Accepted Answer

A) True 
 B)False

What is whitespace and why is it import when reading input from the keyboard using the Scanner class?

Why is echoing user input a good programming practice?

Write a Java statement to create and initialize a Scanner object named input.

Write a Java statement to display your name in the console window.

The Scanner class has a method next that allows an entire line of string text to be read.

What does it mean to prompt the user?

The new line character is represented as '\n'.

Write a complete Java console application that prompts the user for two numbers,multiplies the numbers,and then displays the result to the user.

Echoing input is good programming practice because it can reveal problems in the input.

Getting Started

Flow of Control

Defining Classes I

Defining Classes II

Arrays

Inheritance

Polymorphism and Abstract Classes

Exception Handling

File IO

Recursion

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections,maps,and Iterators

Swing I

Swing II

Java Never Ends

Applets

Filters

Exam 2: Console Input and Output

What is whitespace and why is it import when reading input from the keyboard using the Scanner class?

Why is echoing user input a good programming practice?

Write a Java statement to create and initialize a Scanner object named input.

Write a Java statement to display your name in the console window.

The Scanner class has a method next that allows an entire line of string text to be read.

What does it mean to prompt the user?

The new line character is represented as '\n'.

Write a complete Java console application that prompts the user for two numbers,multiplies the numbers,and then displays the result to the user.

Echoing input is good programming practice because it can reveal problems in the input.

Getting Started

Flow of Control

Defining Classes I

Defining Classes II

Arrays

Inheritance

Polymorphism and Abstract Classes

Exception Handling

File IO

Recursion

Uml and Patterns

Interfaces and Inner Classes

Generics and the Arraylist Class

Linked Data Structures

Collections,maps,and Iterators

Swing I

Swing II

Java Never Ends

Applets

Filters