1- # Java Designs Pattern
1+ # Java Design Patterns
22
33Here's is an implementation of some Design Patterns from scratch : p
44
@@ -44,8 +44,7 @@ Pattern Singleton: One Class, one Instance.
4444There are many implementations of this pattern, but we will implement the Thread Safe one.
4545Classes are in the package ` com.Singleton ` ;
4646
47- ```java
48- 47+ ```java
4948 import com.singleton.SingletonThreadSafe;
5049
5150 public class SingletonTest {
@@ -63,7 +62,8 @@ Classes are in the package `com.Singleton`;
6362 //Now check out your console.... What the hell, the two instances have the same reference :o
6463 }
6564 }
66- ```
65+ ```
66+
6767# Pattern Factory
6868
6969 Factory Pattern is one of the Creational Design pattern and it's widely used in JDK as well as frameworks like
@@ -86,4 +86,25 @@ This pattern is used when we have a super class with multiple sub-classes and ba
8686 Computer comp2 = fc.getComputer("Server",30,900,9);
8787 System.out.println(comp2);
8888
89+ //Now you can see the output in your console.
90+ }
91+ ```
92+ 93+ # Abstract Factory
94+ 95+ This is one of the Creational Pattern and almost similar to Factory Pattern except the fact that it's most like
96+ Factory of factories.
97+ Source files are in the package ` com.abstractFactory ` .
98+ 99+ ``` java
100+ 101+ public class abstractFactoryTest {
102+ public static void main (String [] args ){
103+ 104+ Computer c = ComputerFactory . getComputer(new PCFactory (" 4G" " 400G" " 2.9Ghz"
105+ /* ComputerFactory class contains static method getComputer(abstractFactory fac) */
106+ System . out. print(c);
107+ 108+ }
89109 }
110+ ````
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