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Detailing builder pattern

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Original file line number	Diff line number	Diff line change
@@ -104,4 +104,29 @@ Source files are in the package `com.abstractFactory`.
`104`	`104`
`105`	`105`	`}`
`106`	`106`	`}`
`107`		-````
	`107`	+```
	`108`	`+`
	`109`	`+`
	`110`	`+# Pattern Builder`
	`111`	`+`
	`112`	`+Builder pattern is a creational design pattern as Factory Pattern and Abstract Factory Pattern. This pattern was introduced to solve some of the problems with Factory and Abstract Factory patterns when the Object contains a lot of attributes. This pattern deals with a static nested class and then copy all the arguments from the outer class to the Builder class.`
	`113`	+The sample code where we have a Computer class and ComputerBuilder to build it are available in the package `com.builder.Computer`.
	`114`	`+Here's a test program showing how to use Builder class to get object.`
	`115`	`+`
	`116`	`+`
	`117`	+```java
	`118`	`+`
	`119`	`+ import com.builder.Computer;`
	`120`	`+`
	`121`	`+public class TestBuilderPattenr{`
	`122`	`+ public static void main(String[] args){`
	`123`	`+`
	`124`	`+ Computer comp = new Computer.ComputerBuilder(`
	`125`	`+ "500 GB","2 GB").setBluetoothEnabled(true)`
	`126`	`+ .setGraphicsCardEnabled(true).build(); // -)`
	`127`	`+ )`
	`128`	`+ }`
	`129`	`+`
	`130`	`+}`
	`131`	+```
	`132`	`+There are really various implementations of this pattern in JDK.`

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