Delete the sequence file class and make the file.
There is no setter methods.e.
Create a Product and assign values in make / its constructor Product product new Product pen", 1 tName make tCount /.We have bread no option to change the value of the instance variable.In this case i will have to create a database that links a specific file put on hdfs to a sequence file.Public make final class java Employee final String pancardNumber; public Employee(String pancardNumber) ncardNumberpancardNumber; public String getPancardNumber return pancardNumber; The above class is immutable class because: The instance variable of the class is final.e.Please Give realistic Us Your 1 Minute In Sharing This Post!We are in the case here that we have a lot of small files and sometimes like these files have to be modified or deleted.There make are many immutable classes like String, class Boolean, Byte, Short, Integer, Long, Float, Double class etc.It have one final datamember, a parameterized constructor and getter method.
If you are reading this then, you should have knowledge about Design Patterns in programming languages.
Singleton Pattern in java means we have to make make a class with which we can create only a single object, not more than one.
CONs : This process could be flow long.
No way for the application class / to change the state of Product class / as there are no setters or a way to / extend the final class, thus immutable / class is created.
2 solutions to do that: 1) I'm thinking to push the files in hdfs and powdered then to create a sequence file containing all the data.So, here i'm process giving you the code of writing a java class of which we can create only single object.Create a class with final keyword / so prestashop that no other class can extend this / class, to change the state of class final class Product /.Generate only the getters method and / no setters, so that no application calling class / can change the state of variables public String getName return name; public int getCount return count; public class ImmutableExample public static void main(String args) /.He has for now make (more than 10k).Because, Singleton Pattern is one of the types in design patterns.Newer Post, older Post, you Might Also Like, newer.In order to ensure prestashop diagram the high availabilty and to avoid the issue of the small files.PROs : sequence files save space in hdfs and avoid the issue of the small files.Public class SingletonClass private static SingletonClass obj null; private SingletonClass public static SingletonClass getInst if(objnull) obj new process SingletonClass return obj; protected static void show intln(obj public class mainClass public static void main(String args) SingletonClass ref tInst ow if, you have any questions regarding this post.Recreate a new sequence file with the others files that were on make the same sequence file.The class is final so we cannot create the subclass.Remove the entry on database in which the sequence file and the file X are linked.He would like to store every data forma on my Hadoop Cluster and asked me to create an app that could manage the files.Thanks for reading my post.