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Maury Hillstrom

Maury Hillstrom

Working with Java

Slide Duration:

Table of Contents

I. Java
Introduction to Java

31m 13s

Intro
0:00
What is Java?
0:12
Definition of Java
0:13
Writing a Java Program
3:48
Example: Converter IO Program
3:49
Example: Grade Program
8:00
Example: Writing a Java Program
12:13
Starting Point of All Java Code
14:00
'Public Static Void Main'
14:01
'Public Static Void Main' Syntax
16:07
Syntax
16:08
String
16:27
args
16:41
How to Add Comments
17:13
How to Add and Use Comments
17:14
Java Statements
17:59
Java Statements and Example
18:00
Example1: Text-printing Program
18:44
Example 2: Text-printing on Multiple Lines
20:12
Example 3: Addition Program that Displays the Sum of Two Numbers
21:11
Example 4: Program that Determines Calculations of Two Numbers
24:43
Example 5: Running Programs Through NetBeans IDE
25:50
Working with Java

31m 57s

Intro
0:00
History of Java
0:09
History of Java
0:10
Requirements of Java
2:35
Free to Download & Install
2:36
System's Path Environment Variable
4:40
Java's Two-Step Process
5:48
Create Source File
5:49
Compile Source File Into Bytecode
6:49
Java Application Creation
7:35
Two Main Ways to Create Java Application
7:36
Other Popular Java-compatible IDE
8:08
Importing Classes
8:45
Importing Classes, Example, and Syntax
8:46
Arithmetic Rules of Precedence
10:02
PEMDAS vs. P(MDR)(AD)(Java)
10:03
Four More Program Examples
13:22
Example: Circle Geometry
14:06
Example: Searching Through a Text String
19:50
Example: Doing a Find & Replace
23:35
Example: Calendar Functions
25:45
Classes, Objects, and Methods

29m 34s

Intro
0:00
Classes, Objects, and Methods
0:09
Class
0:10
Object
0:57
Attributes
1:14
Method
1:33
Arguments
1:48
Instance Variables
2:17
Instance Variables
2:18
Set and Get Methods
3:15
Set and Get Methods
3:16
Primitive Types vs. Reference Types
4:11
Primitive Types
4:12
Reference Type
6:56
Constructors
7:22
Attributes of Constructors
7:23
Example 1: Prints a Table of Squares and Cubes From 0 to 10
8:26
Example 2: Bank Account Class with Constructor
11:54
Example 3: Create and Change Account Object
14:14
Example 4: Bank Account Debit Function
18:44
Example 5: Debit Account Balance Program
20:08
Example 6: Hardware Store Inventory & Invoice
22:50
Example 7: Hardware Store Inventory & Invoice Main Class
26:05
If Logic

34m 20s

Intro
0:00
The Mighty 'If'
0:08
If Logic and If Statements
0:09
Conditional Statements in Java
1:44
If
1:45
If…Else
2:07
If…Else If….Else
2:33
Switch
3:15
Pseudocode
3:41
Pseudocode
3:42
Examples
4:05
Compound Assignment Operators
6:17
Compound Assignment Operators and Examples
6:18
Boolean Logical Operators
9:02
&& Operator
9:03
| | Operator
9:58
! Operator
11:38
Example 1: Program that Determines the Larger of Two Numbers
13:00
Example 2: Determine the Largest and Smallest Entry
15:55
Example 3: Determine if a Number is Odd or Even
19:24
Example 4: Determine if Three Values Could Form a Triangle
21:44
Example 5: Run Application for Triangle
24:23
Example 6: Basic If…Else Statement
25:11
Example 7: Basic If…Else If…Else Statement
26:52
Example 8: Catch Possibilities if User Enters Invalid Numbers
28:38
Example 9: Basic Switch Statement
31:10
Loops

37m

Intro
0:00
Types of Loops
0:07
For Loop
0:54
While Loop
1:15
Do…While Loop
1:39
Increment and Decrement Operators
2:26
Operators Overview
3:11
Pre-Increment
4:34
Pre-Decrement
5:35
Post-Increment
6:01
Post-Decrement
6:25
Counters vs. Sentinels
7:06
Counters
7:07
Sentinels
7:40
Break & Continue Statements
8:46
Break
8:47
Continue
9:29
While Loop Syntax
10:03
While Loop Syntax and Example
10:04
For Loop Syntax
11:54
For Loop Syntax and Example
11:55
Example 1: Calculate Commissions for Sales Staff
13:55
Example 2: Program Calculates Average Miles Per Gallon
18:56
Example 3: Find the Smallest of Entered Numbers
23:30
Example 4: Return the Lyrics to 'The 12 Days of Christmas'
27:37
Example 5: Do While Setup
31:50
Example 6: Break Loop Statement Example
34:21
Example 7: Continue Loop Statement Example
35:05
Modules

33m 56s

Intro
0:00
Types of Modules
0:09
Methods & Classes
0:10
Packages
0:28
Static Class Members
1:20
Static Class Members
1:21
Example of Static Class Members
1:51
Queues vs. Stacks
3:21
Queues
3:51
Stacks
5:06
Push and Pop
5:42
Method Overloading
6:05
Method Overloading
6:06
The 'this' Keyword
7:13
'this' Keyword
7:14
Example
7:28
Composition vs. Inheritance
8:05
Composition and Example
8:23
Inheritance and Example
9:33
Example 1: Roll a Six-diced Die 10,000 Times
10:53
Example 2: Program Calculates Charges for Parking Lot
14:47
Example 3: Test Application for Class Parking
20:30
Example 4: Program that Converts Fahrenheit to Celsius and Vice Versa
23:43
Example 5: Program Simulates Tossing a Coin
29:25
Arrays

34m 3s

Intro
0:00
What is an Array?
0:08
Attributes of Array
0:09
Types of Arrays
1:10
Single-Dimensional
1:18
Two-Dimensional
2:01
How to Declare an Array
3:15
Declaring an Array: Single Dimension
3:16
Declaring an Array: Two Dimension
4:12
The Enhanced 'for' Statement
5:02
'for' Statement
5:03
Passing Arrays to Methods
7:14
Pass by Value
7:34
Pass by Reference
7:54
Example 1: Simple Array
8:24
Example 2: Program Simulates Rolling Two Six-sided Dice 36,000 Times
9:54
Example 3: Application Roll Two Dice
14:49
Example 4: Program Totals Sales for Sales Staff and Products
17:24
Example 5: Application for Class Sales
21:08
Example 6: Card Class Represents a Playing Card
24:43
Example 7: Deck Class Represents a Deck of Playing Cards
26:36
Example 8: Card Shuffling and Dealing Application
30:35
Inheritance

28m 15s

Intro
0:00
Composition vs. Inheritance
0:07
Composition & Example
0:17
Inheritance & Example
1:16
Composition vs. Inheritance
2:04
Visual Diagram
2:05
Inheritance Class Structure
4:36
Parent Class
4:37
Child Class
4:51
Purpose of Inheritance
5:01
Method Overriding vs. Overloading
6:32
Method Overriding
6:39
Method Overloading
7:28
Inheritance Class Hierarchy
8:01
Inheritance Class Hierarchy
8:02
Protected Members
10:27
Public, Protected, and Private
10:28
Example 1: Basic Inheritance with Constructors
12:11
Example 2: Program Exhibits Both Composition and Inheritance
16:03
Example 3: Class Point Definition
21:07
Example 4: Class Quadrilateral Definition
22:15
Example 5: Class Trapezoid Definition
23:09
Example 6: Class Parallelogram Definition
24:05
Example 7: Class Rectangle Definition
24:37
Example 8: Class Square Definition
24:50
Example 9: Main Application for Shapes Exercise
25:42
Polymorphism

36m 53s

Intro
0:00
What is Polymorphism?
0:08
Definition of Polymorphism
0:09
Polymorphism in Programming
1:10
Superclass
1:11
Subclass
2:11
Variable
2:21
Method
2:31
Polymorphism in Programming
3:46
Superclass
3:47
Subclass
4:16
Variable
4:22
Method
4:31
Abstract Classes vs. Concrete Classes
6:31
Abstract Classes
6:32
Abstract Class Polymorphism Example
9:19
Abstract Superclass
9:20
Concrete Subclasses
9:58
'Final' Keyword for Superclass Methods
13:49
'Final' Keyword
13:50
Example
14:21
Example 1: Program to Demonstrate Basic Polymorphism
16:25
Example 2: Program to Demonstrate Polymorphism with Multiple Subclasses
18:35
Example 3: Program Tests Shape Hierarchy
25:12
Example 4: Definition of Class Shape
27:17
Example 5: Definition of Class Two Dimensional Shape
28:31
Example 6: Definition of Class Three Dimensional Shape
29:29
Example 7: Definition of Class Sphere
33:45
Exception Handling

22m 45s

Intro
0:00
What is Exception Handling?
0:09
Definition of Exception Handling
0:10
Why Account for Errors?
1:31
Why Account for Errors?
1:32
Common Types of Errors
3:51
User Caused
3:52
Programmer or System Caused
5:31
Using the 'Try… Catch' Process
7:30
Try
7:35
Catch
8:27
Try… Catch Syntax
8:51
Try… Catch Syntax
8:52
Uncaught Exceptions
9:44
Handling Uncaught Exceptions
9:45
Throw' Statement
11:03
Throw Statement
11:04
Throw Syntax
11:22
Example 1: Program to Catch Divide by Zero Error
11:41
Example 2: Program to Demonstrate Finally Keyword
16:18
Example 3: Superclass and Subclass Exceptions
19:20
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Lecture Comments (31)

0 answers

Post by Farrukh Awan on October 17 at 07:26:17 PM

The video is not working after 18 minutes. Please fix this.

0 answers

Post by Liang Will on March 19, 2017

The video isn't working after 18 minutes. There's nothing wrong with my wifi. Help please.

1 answer

Last reply by: Kitt Parker
Fri Jul 10, 2015 11:59 AM

Post by Elvis Wodi on February 18, 2015

encountered another error message on the replace exercise  on this line
String newText =text.Replace('', '-');     // motify the string. saying empty character literal. unclosed character literal. what should i do

0 answers

Post by Elvis Wodi on February 17, 2015

What are %d
and %f
? In the circle example why are we using %d
for diameter and %f
for area and circumference? What is the difference between %d
and %f.Also on the search code i tried following the steps you gave but i encountered and error message on this line (int index =0;)as it says the assigned value is never used.What that mean and how do i go about solving that problem.

1 answer

Last reply by: Jerry Liu
Sun Jun 22, 2014 10:29 PM

Post by Rita Sobiech on September 27, 2013

It isn't going to matter you are coding on a MAC and I have a PC is it?

1 answer

Last reply by: Arshin Jain
Wed Aug 27, 2014 4:09 PM

Post by Tarique Islam on July 16, 2013

I downloaded and setup netbeans (under Windows 8 OS).  It works with the simple Hello world stuff..Below is the program:

package myfirstjavaprogram;

/**
*
* @author Owner
*/
public class MyFirstJavaProgram {
int n;
   /**
    * @param args the command line arguments
    */
   public static void main(String args[]) {
       System.out.print("Hello world!
");

       
   }
}

But when I typed the "Import.util.Scanner;"  
It gives me error!  I tried it on the top, as well as within the package statement..
Help

0 answers

Post by joseph kirksey on April 7, 2013

Is Java a good language fer beginners? i've read a little about C++ but the Syntax can be a bit overwhelming for me as a beginner.

1 answer

Last reply by: Phil Wyder
Mon Mar 18, 2013 2:57 PM

Post by Rumman Ahmed on February 17, 2013

What are %d
and %f
? In the circle example why are we using %d
for diameter and %f
for area and circumference? What is the difference between %d
and %f
?

0 answers

Post by Donna Parcel on February 1, 2013

Can you tell me what I'm doing wrong--I downloaded the 4 programs circle, search, find&replace, and calendar and tried to run them in JCreator, NetBeans and they won't run -- I get all kinds of errors.
Thanks Donna

0 answers

Post by anuj singh on January 20, 2013

I am getting error with the dot operator when i try to compile the calendar program on dos what can be the possible reason ?

0 answers

Post by Harlan Reece on December 30, 2012

I tried running the circle program through Netbeans with partial success. My compile was successful, but I did not see a prompt to enter data in the output window. In addition to this problem, I do not see an option to set as Main project option. Is there a preference option where I can set this. When I type enter my project name, it does not simultaneously provide a .Main extension in the Create Main Class field as it does in the video, but rather creates an extension with the exact same name as the project file. What am I doing wrong. Had absolutely no success in running program from DOS prompt. What am I doing wrong?

0 answers

Post by Patricia Edwards on November 11, 2012

in the command line
index = str.indexOf("c");

is the index of str.indexOf the same index as the variable initialized to 0 in the statement above? How does that work?

1 answer

Last reply by: Maury Hillstrom
Tue Nov 13, 2012 5:03 PM

Post by Jozsef Kovacs on October 30, 2012

Where can I find java.util.Scanner?

2 answers

Last reply by: Elizabeth Etta
Tue Nov 13, 2012 2:19 PM

Post by Dalbir singh on August 26, 2012

In Circle Geometry example: line 17, 18, 19 why use System.out.printf? why not System.out.println? and how do we know which one to use and when?

3 answers

Last reply by: Maury Hillstrom
Thu Nov 1, 2012 2:39 PM

Post by george masih on June 11, 2012

scanner sc = new scanner(system.in);
statement is not working i am using ecllipse editor.any body call tell what is wrong with that?

1 answer

Last reply by: Loammi Pedroza
Tue Apr 16, 2013 8:36 PM

Post by Kwasi Roberts on March 29, 2012

On line 13 on the "Find and Replace" section can you explain tht whole line especially text.replace please?

0 answers

Post by Thomas James Hanrahan on September 29, 2011

Because for some reason the java.util.Calendar; causes the output to be one month behind. I guess that is why you always try to "Break" your code once its complete so you don't run into problems like this.

with +1
Today's date is;9-29-2011
Tomorrow's date will be: 9-30-2011

Without +1
Today's date is;8-29-2011
Tomorrow's date will be: 8-30-2011

2 answers

Last reply by: alina trandafir
Sat May 23, 2015 7:31 PM

Post by Alvaro Lacerda on September 7, 2011

On the 10th line of the calendar program, why do you add "+1" after the "(Calendar.MONTH)"? why that doesn't happen to the other lines "(Calendar.DATE)" and "(Calendar.YEAR)" ?


Thanks,

Working with Java

  • Java was developed in 1990 by Sun Microsystems
  • Java was based on C++ syntax
  • Java requires both the Java Runtime Environment (JRE) and the Java Development Kit (JDK) to be downloaded and installed from www.java.com
  • Programming in Java follows a two-step process of writing code in a .java file, then compiling that code into a .class file
  • Programs often take advantage of built-in imported utility classes such as the “Scanner” class which allows user input

Working with Java

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • History of Java 0:09
    • History of Java
  • Requirements of Java 2:35
    • Free to Download & Install
    • System's Path Environment Variable
  • Java's Two-Step Process 5:48
    • Create Source File
    • Compile Source File Into Bytecode
  • Java Application Creation 7:35
    • Two Main Ways to Create Java Application
    • Other Popular Java-compatible IDE
  • Importing Classes 8:45
    • Importing Classes, Example, and Syntax
  • Arithmetic Rules of Precedence 10:02
    • PEMDAS vs. P(MDR)(AD)(Java)
  • Four More Program Examples 13:22
    • Example: Circle Geometry
    • Example: Searching Through a Text String
    • Example: Doing a Find & Replace
    • Example: Calendar Functions
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