The document discusses sample code for creating a Chat class with message, dateCreated, and lastUpdated properties in Groovy. It also defines a ChatController that uses scaffolding to automatically generate CRUD operations for the Chat class.

1. 2010.10.14 at Tajimi
def speaker = new Cast(name:”T.Yamamoto”,version:”TI-2010-10-14”)

6. def name='World' def list = ["Hello", " ", "World"]
println "Hello $name!" list.each{
print it
}
class Greet {
def name
Greet(who) { name = who[0].toUpperCase() +who[1..-1] }
def salute() { println "Hello $name!" }
}
def g = new Greet('world')
// create object
g.salute()

7. import java.util.Date; } return this.black;
public Integer getColorId() { }
public class Color { return this.colorId; public void setBlack(String black) {
private Integer colorId; } this.black = black;
private String colorName; public void setColorId(Integer colorId) { }
private String cyan; this.colorId = colorId; public String getRgb() {
private String magenta; } return this.rgb;
private String yellow; public String getColorName() { }
private String black; return this.colorName; public void setRgb(String rgb) {
private String rgb; } this.rgb = rgb;
private String sysIpaddress; public void setColorName(String }
private Date sysLastmodified; colorName) { public String getSysIpaddress() {
private Integer sysUid; this.colorName = colorName; return this.sysIpaddress;
public Color(Integer colorId, String } }
colorName, String cyan, public String getCyan() { public void setSysIpaddress(String
String magenta, String yellow, String return this.cyan; sysIpaddress) {
black, String rgb, } this.sysIpaddress = sysIpaddress;
String sysIpaddress, Date public void setCyan(String cyan) { }
sysLastmodified, Integer sysUid) { this.cyan = cyan; public Date getSysLastmodified() {
this.colorId = colorId; } return this.sysLastmodified;
this.colorName = colorName; public String getMagenta() { }
this.cyan = cyan; return this.magenta; public void setSysLastmodified(Date
this.magenta = magenta; } sysLastmodified) {
this.yellow = yellow; public void setMagenta(String magenta) { this.sysLastmodified = sysLastmodified;
this.black = black; this.magenta = magenta; }
this.rgb = rgb; } public Integer getSysUid() {
this.sysIpaddress = sysIpaddress; public String getYellow() { return this.sysUid;
this.sysLastmodified = sysLastmodified; return this.yellow; }
this.sysUid = sysUid; } public void setSysUid(Integer sysUid) {
} public void setYellow(String yellow) { this.sysUid = sysUid;
public Color() {} this.yellow = yellow; }
public Color(Integer colorId) { } }
this.colorId = colorId; public String getBlack() {

8. class Color {
Integer colorId
String colorName
String cyan,magenta,yellow,black,rgb
String sysIpaddress
Date sysLastmodified
Integer sysUid
}
class Color {
Integer colorId, sysUid
String colorName,cyan,magenta,yellow,black,rgb,sysIpaddress
Date sysLastmodified
}

10. public class HelloWorld {
String name;
public void setName(String name){
this.name = name;
}
public String getName(){
return name;
}
public String greet(){
return "Hello "+name;
}
public static void main(String[] args){
HelloWorld helloWorld = new HelloWorld();
helloWorld.setName("Groovy");
System.out.println(helloWorld.greet());
}
}

11. public class HelloWorld {
String name;
public void setName(String name){
this.name = name;
}
public String getName(){
return name;
}
public String greet(){
return "Hello "+name;
}
public static void main(String[] args){
HelloWorld helloWorld = new HelloWorld();
helloWorld.setName("Groovy");
System.out.println(helloWorld.greet());
}
}

12. public class HelloWorld {
String name
public void setName(String name){
this.name = name
}
public String getName(){
return name
}
public String greet(){
return "Hello "+name
}
public static void main(String[] args){
HelloWorld helloWorld = new HelloWorld()
helloWorld.setName("Groovy")
System.out.println(helloWorld.greet())
}
}

13. public class HelloWorld {
String name
public String greet(){
return "Hello "+name
}
public static void main(String[] args){
HelloWorld helloWorld = new HelloWorld()
helloWorld.setName("Groovy")
System.out.println(helloWorld.greet())
}
}

14. public class HelloWorld {
String name
public String greet(){
return "Hello "+name
}
}
HelloWorld helloWorld = new HelloWorld()
helloWorld.setName("Groovy")
System.out.println(helloWorld.greet())

15. class HelloWorld {
String name
def greet(){
return "Hello "+name
}
}
def helloWorld = new HelloWorld()
helloWorld.setName("Groovy")
println(helloWorld.greet())

16. class HelloWorld {
String name
def greet(){
return "Hello "+name
}
}
def helloWorld = new HelloWorld()
helloWorld.name = "Groovy"
println helloWorld.greet()

17. class HelloWorld {
String name
def greet(){ "Hello $name"}
}
def helloWorld = new HelloWorld()
helloWorld.name = "Groovy"
println helloWorld.greet()

18. class HelloWorld {
String name
def greet(){ "Hello $name"}
}
def helloWorld = new HelloWorld(name: "Groovy")
println helloWorld.greet()

20. @Grab('com.google.code.jcouchdb:jcouchdb:1.0.1-1')
import org.jcouchdb.db.Database
Database db = new Database(
"localhost", "example_xmldo"
)
db.createDocument(
[name:' ',comment:' '])

21. Groovy
G*( )

25. mailService.send to: 'foobar@gmail.com',
subject: 'Hello World',
htmlBody: '<bold>Hello</bold>'

26. import com.google.appengine.api.datastore.Entity
def person = new Entity("person")
person['name'] = " "
person.age = 18
println person.name
person.save()
def q = new Query('person')
def list = datastoreService.prepare(q).asList(
Builder.withLimit(20).offset(0) )
person.delete()

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38. % grails run-app
38

40. class Chat {
String message
Date dateCreated
Date lastUpdated
class ChatController {
static constraints = { static scaffold = true
message nullable:false }
dateCreated()
lastUpdated()
}
}

42. Q&A

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