omernaci

## docker-compose.yml
version: '3'
services:
  zookeeper:
    image: confluentinc/cp-zookeeper:6.2.0
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
    volumes:
      - zookeeper_data:/var/lib/zookeeper/data
      - zookeeper_logs:/var/lib/zookeeper/log

## OrderValidation.java
// Reduce complexity of the code
public boolean isOrderValid(Order order) {
    if (order != null) {
        if (order.getItems() != null && !order.getItems().isEmpty()) {
            for (OrderItem item : order.getItems()) {
                if (item.getQuantity() > 0) {
                    // Validate item
                } else {
                    return false;
                }

## AccountOpenedEventHandler.java
public class AccountOpenedEvent {
    private String accountId;
    private String customerDetails;
    private String accountOpeningDetails;
    private int version; // Add a version field
}

@Component
public class AccountOpenedEventHandler {
    private List<AccountOpenedEventProcessor> processors;

## kubernetes-commands.csv

          
                    Description
             Command


                      Create a pod
               kubectl create pod <pod-name> --image=<image-name>

            
                      Get pods
               kubectl get pods

            
                      Describe a pod
               kubectl describe pod <pod-name>

            
                      Delete a pod
               kubectl delete pod <pod-name>


                      Create a deployment
               kubectl create deployment <deployment-name> --image=<image-name>

            
                      Get deployments
               kubectl get deployments

            
                      Scale a deployment
               kubectl scale deployment <deployment-name> --replicas=<replica-count>

## BigDecimalExample.java
import java.math.BigDecimal;
import java.math.RoundingMode;

public class BigDecimalExample {
    public static void main(String[] args) {
        // Creating BigDecimal objects using the String constructor
        BigDecimal value1 = new BigDecimal("123.456");
        BigDecimal value2 = new BigDecimal("123.4560");

        // Performing arithmetic operations with the HALF_UP rounding mode

## terminal-operations.csv

          
            Operation
            Type
            Description

            
              forEach
              Terminal
              Performs an action for each element of this stream.

            
              count
              Terminal
              Returns the count of elements in this stream.

            
              reduce
              Terminal
              Performs a reduction on the elements of this stream using the provided identity value and accumulation function.

            
              collect
              Terminal
              Performs a mutable reduction operation on the elements of this stream using a Collector.

            
              anyMatch
              Terminal
              Returns whether any elements of this stream match the provided predicate.

            
              allMatch
              Terminal
              Returns whether all elements of this stream match the provided predicate.

            
              noneMatch
              Terminal
              Returns whether no elements of this stream match the provided predicate.

            
              findFirst
              Terminal
              Returns an Optional describing the first element of this stream or an empty Optional if the stream is empty.

            
              findAny
              Terminal
              Returns an Optional describing some element of the stream or an empty Optional if the stream is empty.

## intermediate-operations.csv

          
            Operation
            Type
            Description

            
              filter
              Stateless
              Returns a new stream consisting of elements that match the given predicate.

            
              map
              Stateless
              Returns a new stream consisting of the results of applying the given function to the elements of this stream.

            
              flatMap
              Stateless
              Returns a new stream consisting of the results of replacing each element of this stream with the contents of a mapped stream produced by applying the provided mapping function to each element.

            
              sorted
              Stateful
              Returns a stream consisting of the elements of this stream sorted according to the provided Comparator.

            
              peek
              Stateless
              Returns a stream consisting of the elements of this stream additionally performing the provided action on each element as elements are consumed from the resulting stream.

            
              limit
              Stateless
              Returns a stream consisting of the elements of this stream truncated to be no longer than the specified maximum size.

            
              skip
              Stateless
              Returns a stream consisting of the remaining elements of this stream after discarding the first n elements of the

## bin.sh
# download docker rpm package connectivity machine : curl https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.09.0.ce-1.el7.centos.x86_64.rpm -o docker.rpm

# copy it to server via scp/ssh

yum install -y docker-ce-17.09.0.ce-1.el7.centos.x86_64.rpm -o docker.rpm

systemctl start docker

systemctl enable docker

## bin.sh
# https://github.com/docker/compose/releases/ download docker-compose

# copy it to server via scp/ssh

mv docker-compose-Linux-x86_64 docker-compose
sudo mv docker-compose /usr/local/bin/
sudo chmod +x /usr/local/bin/docker-compose

## RestTemplateHelper.java
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.type.CollectionType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
	version: '3'
	services:
	zookeeper:
	image: confluentinc/cp-zookeeper:6.2.0
	environment:
	ZOOKEEPER_CLIENT_PORT: 2181
	volumes:
	- zookeeper_data:/var/lib/zookeeper/data
	- zookeeper_logs:/var/lib/zookeeper/log
	// Reduce complexity of the code
	public boolean isOrderValid(Order order) {
	if (order != null) {
	if (order.getItems() != null && !order.getItems().isEmpty()) {
	for (OrderItem item : order.getItems()) {
	if (item.getQuantity() > 0) {
	// Validate item
	} else {
	return false;
	}
	public class AccountOpenedEvent {
	private String accountId;
	private String customerDetails;
	private String accountOpeningDetails;
	private int version; // Add a version field
	}

	@Component
	public class AccountOpenedEventHandler {
	private List<AccountOpenedEventProcessor> processors;
	Description	Command

	Create a pod	kubectl create pod <pod-name> --image=<image-name>
	Get pods	kubectl get pods
	Describe a pod	kubectl describe pod <pod-name>
	Delete a pod	kubectl delete pod <pod-name>

	Create a deployment	kubectl create deployment <deployment-name> --image=<image-name>
	Get deployments	kubectl get deployments
	Scale a deployment	kubectl scale deployment <deployment-name> --replicas=<replica-count>
	import java.math.BigDecimal;
	import java.math.RoundingMode;

	public class BigDecimalExample {
	public static void main(String[] args) {
	// Creating BigDecimal objects using the String constructor
	BigDecimal value1 = new BigDecimal("123.456");
	BigDecimal value2 = new BigDecimal("123.4560");

	// Performing arithmetic operations with the HALF_UP rounding mode
Operation	Type	Description
forEach	Terminal	Performs an action for each element of this stream.
count	Terminal	Returns the count of elements in this stream.
reduce	Terminal	Performs a reduction on the elements of this stream using the provided identity value and accumulation function.
collect	Terminal	Performs a mutable reduction operation on the elements of this stream using a Collector.
anyMatch	Terminal	Returns whether any elements of this stream match the provided predicate.
allMatch	Terminal	Returns whether all elements of this stream match the provided predicate.
noneMatch	Terminal	Returns whether no elements of this stream match the provided predicate.
findFirst	Terminal	Returns an Optional describing the first element of this stream or an empty Optional if the stream is empty.
findAny	Terminal	Returns an Optional describing some element of the stream or an empty Optional if the stream is empty.
	# download docker rpm package connectivity machine : curl https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.09.0.ce-1.el7.centos.x86_64.rpm -o docker.rpm

	# copy it to server via scp/ssh

	yum install -y docker-ce-17.09.0.ce-1.el7.centos.x86_64.rpm -o docker.rpm

	systemctl start docker

	systemctl enable docker
	# https://github.com/docker/compose/releases/ download docker-compose

	# copy it to server via scp/ssh

	mv docker-compose-Linux-x86_64 docker-compose
	sudo mv docker-compose /usr/local/bin/
	sudo chmod +x /usr/local/bin/docker-compose
	import com.fasterxml.jackson.databind.JavaType;
	import com.fasterxml.jackson.databind.ObjectMapper;
	import com.fasterxml.jackson.databind.type.CollectionType;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.boot.web.client.RestTemplateBuilder;
	import org.springframework.http.HttpEntity;
	import org.springframework.http.HttpMethod;
	import org.springframework.http.HttpStatus;