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@adammb86
Last active November 10, 2018 03:18
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Design Pattern - Singleton - Sample Case
(Singleton) Langkah Pembuatan :
1. Cookies.java
2. CookiesDemo.java
public class Cookies {
//atribut
private static Cookies cookies;
//method
//konstruktor
private Cookies(){
System.out.println("Hai, saya cookies.");
}
//ini hook
public static synchronized Cookies getCookies(){
if(cookies==null){
cookies=new Cookies();
}
return cookies;
}
public void lakukanSesuatu(){
System.out.println("Cookies ini bundar.");
}
}
public class CookiesDemo {
public static void main(String[] args) {
// write your code here
Cookies cookies=Cookies.getCookies();
//perintah ini akan mendapatkan objek yang sama
Cookies cookies2=Cookies.getCookies();
//dua perintah ini sama
cookies.lakukanSesuatu();
cookies2.lakukanSesuatu();
}
}
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