JAVA Programming Practice

§ Course Overview

§ Lecture Schedule

§ Today’s Task

§ Contact

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Prof. Hwansoo HanT.A. Minseop JeongT.A. Wonseok Choi

Course Overview§ SWE2023-44§ Lecture + Lab

• Lecture: ~1 hour basic Java features• Lab: ~2.5 hours programming practices

§ Programming projects• Almost 10 lab practices• 3 Assignments• 1 project (2 in a team)• No exams

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Course Overview§ Precondition

• Introduction to computer science• C programming experience• Data structure

§ Grading factors• Attendance• Lab practice• Assignments• Term Project

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Class Policy§ Must – otherwise you will get ‘F’ grade

• Have to attend classes regarding to the project• Submit term project and assignments• Attend 12 weeks and more

§ May• Be absence from 1 class (no need to ask)

• From 2nd absent, it will be reflected on your grade• Attending after lecture will be counted by late (2 lates = 1 absence)

• Not submit lab practice, but it will be reflected on your grade

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Grading Policy§ Class attendance (10%)

• -1 points per absent§ Lab practices (10%)§ 3 Assignments (45%)

• 15% per each assignment (can be changed)§ Project (35%)

• 5% for intermediate presentation• 30% for final presentation

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Lecture ScheduleSpring 2019 (Wednesday)

This schedule can be changed

MARCH

6 13 20 27

Introduction&

Install and setup JavaBasic Grammar OOP

class-methodOOPAPIs

APRIL

3 10 17 24

OOPinheritance Error Handling File I/O & CSV MID TERM

(no class)

MAY

1 8 15 22 29

Import or Export Package

Project Proposal&

Some TipsMulti-threading Socket Project Intermediate

Check

JUNE

5 12 19

GUI Project Final Presentation

FINAL TERM(no class)

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Today’s Task§ Briefly understanding Java

§ Install Java on Microsoft Windows• Ask TA if you do on Ubuntu or other with your laptop

§ Install IDE for Java

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Java is…§ James Gosling, Mike Sheridan and Patrick Naughton

initiated the Java language project in June 1991§ Originally designed for small, embedded systems like set-

top box§ Java also refers to an island of Indonesia where first coffee

was produced (called java coffee)

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Also Java is…§ Front-runner of Object-Oriented Programming Language§ Executable on huge types of platforms

• with special, powerful and gorgeous item at that time, called JVM• 3 billions of devices run Java applications

§ Used for huge types of applications• IoT, Smartphone, JSP, embedded software, enterprise applications, etc.

§ Copyrighted by Oracle• Original copyrighter, Sun, is taken over by Oracle

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So, how does Java run?§ An overview of the Software development process

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So, how does Java run?§ Through the Java VM, the same application is

capable of running on multiple platforms

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So, how does Java run?§ Java Platform

• Java Virtual Machine (JVM)• Java Application Programming Interface (API)

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Then, how can we install Java?

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①

§ https://www.oracle.com

Then, how can we install Java?

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②

Then, how can we install Java?

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③

Then, how can we install Java?

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④

Then, how can we install Java?

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https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

⑤

Then, how can we install Java?

18Detailed guide: https://wiki.appcelerator.org/display/guides2/Installing+Oracle+JDK

Environment Variable1. For easy access to files2. For using Java libraries

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Set Environment Variable1. [Win_key + R]2. Type “sysdm.cpl” and press enter

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Detailed guide: http://stackoverflow.com/questions/2619584/how-to-set-java-home-on-windows-7

Set Environment Variable3. Move to “Advanced” tab4. Click Environment Variables

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Set Environment Variable5. Click “New…”6. Create variable “JAVA_HOME”

with the Java Installation Path

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Set Environment Variable7. Also create variable “CLASSPATH”

by “%JAVA_HOME%\jre\lib;.;”8. Modify variable “Path”

by adding “%JAVA_HOME%\bin”

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Eclipse, Java IDE§ Most famous and powerful editor for implementing Java

§ Pros• Project management• Check syntax error• Console Input/Output• Easy to debug• …

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Eclipse, Java IDE§ Most famous and powerful editor for implementing Java

§ Pros• Project management• Check syntax error• Console Input/Output• Easy to debug• …

§ Cons• Too easy to learn the interface• TAs have nothing to do for students…• Here is installation guide

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My new project

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My new project

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My new project

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My new project

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My new project

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My new class

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My new class

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My new class

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My new class

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[Lab – Practice #0]§ HelloWorld.java

• Print “Hello Java!” on the screen

public class HelloWorld {public static void main () {System.out.println (“Hello Java!”);

}}

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Contact§ Office

• 85565, Corporate Collaboration Center• 031) 290-4939

§ Office Hour• 14:00 ~ 15:00 on Thursday

§ TA• Minseop Jeong

• msjeong@arcs.skku.edu• Wonseok Choi

• wschoi93@gmail.com

§ Feel free to contact via e-mail

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